Indiana: Consolidated Chronology of State and County Boundaries

Indiana Atlas of Historical County Boundaries

John H. Long, Editor; Peggy Tuck Sinko, Associate Editor and Historical Compiler; Douglas Knox, Book Digitizing Director; Emily Kelley, Research Associate and Digital Compiler; Laura Rico-Beck, GIS Specialist and Digital Compiler; Peter Siczewicz, ArcIMS Interactive Map Designer; Robert Will, Cartographic Assistant

Copyright The Newberry Library 2009


2 June 1609

King James I granted a new charter to the Virginia Company of London, expanding Virginia's jurisdiction westward and northwestward to the Pacific Ocean; charter included all of present Indiana. (Paullin, pl. 42; Swindler, 10:24-36; Van Zandt, 92)

10 February 1763

Treaty of Paris, ending the Seven Years' War between Great Britain (the victor) and France and Spain, formally transferred to the British all of Canada (territory north of the Ohio River-Great Lakes-St. Lawrence River line), including present Indiana, and implicitly set the Mississippi River as the new western limit for the British colonies. (Cappon, Petchenik, and Long, 1)

20 May 1774

The British Parliament passed the Quebec Act, placing all territory north and west of the Ohio River, including present Indiana, under the jurisdiction of the province of Quebec. (Cappon, Petchenik, and Long, 16, 87)

4 July 1776

The United States declared itself independent of Great Britain, implicitly opening the possibility that Virginia and some other states might claim territory north of the Ohio River and west of the Appalachian Mountains based on their colonial charters. (Declaration of Independence)

9 December 1778

ILLINOIS County (Va., extinct) created by Virginia to encompass all territory north and west of the Ohio River and east of the Mississippi River claimed by Virginia on the basis of its 1609 charter. ILLINOIS County including all of present Indiana. (Hening, 9:552-555, 10:303-304; Robinson, 55)

3 September 1783

Commissioners from Great Britain and the United States signed the Treaty of Paris (ratifications exchanged 12 May 1784), ending the War of the American Revolution, recognizing American independence, and generally defining U.S. territory as extending to the Great Lakes-Lake of the Woods line on the north and the Mississippi River on the west, including present Indiana. (Parry, 48:481, 487, 491-492; Van Zandt, 12)

1 March 1784

Virginia ceded to the United States its charter claims to territory "northwestward of the river Ohio". All of present Indiana became unorganized federal territory; ILLINOIS County (Va.) eliminated. Other state claims in the area were effectively eliminated by 1787. (Cappon, Petchenik, and Long, 62, 130-131; Hening, 11:571-575)

13 July 1787

The United States created the Territory of the United States Northwest of the River Ohio (Northwest Territory) from unorganized federal territory to govern all territory west of Pennsylvania, north of the Ohio River, and east of the Mississippi River, to which states had ceded their colonial charter claims. Northwest Territory included all of present Indiana. (Terr. Papers U.S., 2:39-50)

20 June 1790

KNOX created by Northwest Territory from non-county area; KNOX included all of present Indiana, plus parts of present Illinois, Michigan, Ohio, and Wisconsin. (Terr. Papers U.S., 3:313)

15 August 1796

WAYNE (Northwest Territory, extinct) created by Northwest Territory from HAMILTON (Ohio), KNOX, and non-county area; included parts of present Illinois, Indiana, Michigan, Ohio, and Wisconsin. (Terr. Papers U.S., 2:567-568, and 3:447; Pence and Armstrong, 216)

22 June 1798

As a Northwest Territory county, HAMILTON (Ohio, created in 1790), gained from KNOX in present Indiana and Ohio. (Terr. Papers U.S., 3:509)

20 August 1798

HAMILTON (Ohio) lost to creation of ROSS (Ohio); area within present Indiana was unchanged. (Terr. Papers U.S., 3:510)

1 September 1798

HAMILTON (Ohio) lost to ADAMS (Ohio); area within present Indiana was unchanged. (Terr. Papers U.S., 3:510-511)

4 July 1800

The United States created Indiana Territory from the Northwest Territory; included all of present Illinois and Wisconsin, most of present Indiana, and parts of present Michigan, Minnesota, and Ohio. Former Northwest Territory counties of KNOX, RANDOLPH (Ill., created in 1795), and ST. CLAIR (Ill., created in 1790) became Indiana Territory counties. WAYNE (Northwest Territory, extinct) lost all territory within the bounds of present Indiana, thereby effectively eliminated from Indiana. (Terr. Papers U.S., 3:86-88; U.S. Stat., vol. 2, ch. 41 [1800]/pp. 58-59)

6 December 1800

HAMILTON (Ohio) lost to creation of CLERMONT (Ohio); area within present Indiana was unchanged. (Terr. Papers U.S., 3:526)

3 February 1801

CLARK created by Indiana Territory from KNOX; CLARK included a small area of present Ohio near Ft. Recovery. (Ind. Terr., Exec. Journal, 97)

KNOX gained from non-county area in Indiana Territory, including parts of present Indiana, Michigan, and Ohio. RANDOLPH (Ill.) gained from KNOX and ST. CLAIR (Ill.). ST. CLAIR (Ill.) gained from KNOX and non-county area in Indiana Territory; included all of present Wisconsin and parts of present Illinois, Indiana, Michigan, and Minnesota. All non-county area in Indiana Territory was eliminated. (Ind. Terr., Exec. Journal, 98-100; Pence and Armstrong, 212, 520)

1 March 1803

The state of Ohio was created from the Northwest Territory and Indiana Territory. Indiana Territory gained remainder of the former Northwest Territory in present Michigan and Indiana; Northwest Territory eliminated. WAYNE (Indiana Territory, extinct) created by Indiana Territory from KNOX, ST. CLAIR (Ill.), and non-county area in Indiana Territory; included parts of present Illinois, Indiana, Michigan, Ohio, and Wisconsin. KNOX lost to non-county area in Ohio; HAMILTON (Ohio) gained from KNOX, exchanged with CLARK. HAMILTON (Ohio) eliminated from present Indiana; CLARK and KNOX eliminated from Ohio. (Ind. Terr., Exec. Journal, 114-115; Pence and Armstrong, 218; U.S. Stat., vol. 2, ch. 40 [1802], secs. 1-3/pp. 173-174; Van Zandt, 112)

7 March 1803

DEARBORN created by Indiana Territory from CLARK. (Ind. Terr., Exec. Journal, 116)

1 May 1803

As Indiana Territory counties, RANDOLPH (Ill.) exchanged with ST. CLAIR (Ill.). (Ind. Terr., Exec. Journal, 117-118)

1 October 1804

The United States created the District of Louisiana from the part of the Louisiana Purchase north of 33 degrees north latitude, the limit of the present state of Louisiana (then New Orleans Territory); the district was not fully organized as a territory and was attached to Indiana Territory. Act approved 26 March 1804, became effective 1 October 1804. (Terr. Papers U.S., 13:51-52; U.S. Stat., vol. 2, ch. 38/pp. 283-289)

30 June 1805

The United States created Michigan Territory from Indiana Territory; WAYNE (Indiana Territory) was effectively eliminated. On 3 July 1805, Erie District was created in Michigan Territory by Territorial Governor William Hull; included part of present Indiana and the area disputed with Ohio. This county precursor carried out many of the administrative and judicial functions of the territorial government. (Terr. Papers U.S., 10:5-7; U.S. Stat., vol. 2, ch. 5 [1805]/pp. 309-310; "Territorial Records," 118-121; Blume, 1:2-4)

4 July 1805

District of Louisiana was renamed Louisiana Territory and was fully organized; detached from Indiana Territory. (U.S. Stat., vol. 2, ch. 31 [1805]/pp. 331-332)

1 December 1808

HARRISON created by Indiana Territory from CLARK and KNOX. (Ind. Terr. Laws, 1801-1809, ch. 1/pp. 645-646)

1 March 1809

The United States created Illinois Territory from Indiana Territory. KNOX lost to Illinois Territory; Non-County Area 1 created from a small part of ST. CLAIR (Ill.). RANDOLPH (Ill.) and ST. CLAIR (Ill.) became part of Illinois Territory; eliminated from Indiana Territory. (Terr. Papers U.S., 16:6-8; U.S. Stat., vol. 2, ch. 13 [1809], sec. 1/p. 514)

10 December 1810

HARRISON gained from CLARK. (Ind. Terr. Laws, 1809-1816, ch. 21/pp. 126-127)

1 January 1811

FRANKLIN created by Indiana Territory from CLARK and DEARBORN. WAYNE created by Indiana Territory from CLARK, DEARBORN, and KNOX. JEFFERSON created by Indiana Territory from CLARK and DEARBORN. Non-County Area 2 created from CLARK in the area north of the Grouseland Treaty line. (Ind. Terr. Laws, 1809-1816, chs. 6, 60/pp. 108-111, 190)

1 April 1813

GIBSON and WARRICK created by Indiana Territory from KNOX. (Ind. Terr. Laws, 1809-1816, ch. 23/pp. 348-350)

17 January 1814

WASHINGTON created by Indiana Territory from CLARK and HARRISON. (Ind. Terr. Laws, 1809-1816, ch. 10/pp. 446-448)

1 September 1814

WASHINGTON gained from KNOX. (Ind. Terr. Laws, 1809-1816, ch. 5/pp. 526-527)

1 October 1814

SWITZERLAND created by Indiana Territory from DEARBORN and JEFFERSON; DEARBORN gained from JEFFERSON. (Ind. Terr. Laws, 1809-1816, ch. 9/pp. 538-542)

1 November 1814

PERRY created by Indiana Territory from GIBSON and WARRICK. POSEY created by Indiana Territory from WARRICK. (Ind. Terr. Laws, 1809-1816, ch. 7/pp. 529-533)

1 January 1816

JACKSON created by Indiana Territory from CLARK, JEFFERSON, and WASHINGTON. (Ind. Terr. Laws, 1809-1816, ch. 1/pp. 601-603)

1 February 1816

ORANGE created by Indiana Territory from GIBSON, KNOX, and WASHINGTON. (Ind. Terr. Laws, 1809-1816, ch. 12/pp. 643-645)

1 March 1816

POSEY gained small area from GIBSON. (Ind. Terr. Laws, 1809-1816, ch. 3/pp. 604-605)

11 December 1816

The state of Indiana was created from Indiana Territory and small parts of Illinois and Michigan Territories, with same boundaries as at present. CLARK, DEARBORN, FRANKLIN, GIBSON, HARRISON, JACKSON, JEFFERSON, KNOX, ORANGE, PERRY, POSEY, SWITZERLAND, WARRICK, WASHINGTON, and WAYNE became Indiana counties. KNOX exchanged small areas along the Wabash River with Illinois Territory. Non-County Area 3 created from Erie District (Michigan Territory), eliminating Erie District from Indiana. Non-county area of Indiana Territory, located in present Michigan and Wisconsin, reverted to unorganized federal territory. (U.S. Stat., vol. 3, ch. 57 [1816], secs. 1-2/p. 289 and res. 1 [1816]/p. 399; Van Zandt, 115)

27 December 1816

RIPLEY created from DEARBORN and JEFFERSON; RIPLEY not fully organized, parts attached to DEARBORN and JEFFERSON for administrative and judicial purposes. (Ind. Acts 1816, 1st sess., ch. 45, sec. 10/p. 199)

15 January 1817

SULLIVAN created from KNOX. Non-County Area 4 created from that part of KNOX north of the Indian boundary line, and from Non-County Areas 1, 2, and 3, which were all eliminated. (Ind. Acts 1816, 1st sess., ch. 49, secs. 1-2, 5/pp. 205, 207)

1 February 1817

JENNINGS created from JACKSON and JEFFERSON; RIPLEY was detached from JEFFERSON and attached to JENNINGS for administrative and judicial purposes. (Ind. Acts 1816, 1st sess., ch. 45, secs. 1-2, 8/pp. 197, 199)

PIKE created from GIBSON, KNOX, and PERRY. WARRICK gained from GIBSON. (Ind. Acts 1816, 1st sess., ch. 51, secs. 1-2, 8/pp. 208-210)

POSEY gained from GIBSON. (Ind. Acts 1816, 1st sess., ch. 48, sec. 1/p. 202)

15 February 1817

DAVIESS created from KNOX. (Ind. Acts 1816, 1st sess., ch. 43, secs. 1-2/p. 192)

1 February 1818

DUBOIS created from PIKE. (Ind. Acts 1817, 2d sess., spec., ch. 7, secs. 1, 4/pp. 16, 18)

SPENCER created from PERRY and WARRICK. (Ind. Acts 1817, 2d sess., spec., ch. 9, sec. 1/p. 20)

VANDERBURGH created from GIBSON, POSEY, and WARRICK. (Ind. Acts 1817, 2d sess., spec., ch. 10, sec. 1/p. 22)

PERRY gained from HARRISON. (Ind. Acts 1817, 2d sess., spec., ch. 12, secs. 1, 5/pp. 29, 32)

15 February 1818

VIGO created from SULLIVAN. (Ind. Acts 1817, 2d sess., spec., ch. 14, secs. 1-2/p. 34)

ORANGE gained from HARRISON. PERRY gained from DUBOIS. (Ind. Acts 1817, 2d sess., spec., ch. 11, secs. 1-2/pp. 25-26)

1 March 1818

CRAWFORD created from HARRISON, ORANGE, and PERRY. (Ind. Acts 1817, 2d sess., spec., ch. 11, sec. 3/p. 27)

16 March 1818

LAWRENCE created from ORANGE. (Ind. Acts 1817, 2d sess., spec., ch. 5, secs. 1-2/p. 12)

10 April 1818

MONROE created from ORANGE. (Ind. Acts 1817, 2d sess., spec., ch. 6, sec. 1/p. 14)

RIPLEY fully organized, detached from DEARBORN and JENNINGS. (Ind. Acts 1817, 2d sess., spec., ch. 13/p. 32)

10 August 1818

RANDOLPH created from WAYNE. (Ind. Acts 1817, 2d sess., spec., ch. 8, secs. 1-2/p. 18)

1 January 1819

FAYETTE created from FRANKLIN, WAYNE, and Non-County Area 4. WAYNE exchanged with Non-County Area 4. (Ind. Acts 1818, 3d sess., ch. 28, secs. 1, 9/pp. 103, 106)

OWEN created from DAVIESS and SULLIVAN. (Ind. Acts 1818, 3d sess., ch. 26, secs. 1-2/p. 96)

7 January 1819

JACKSON gained from Non-County Area 4. (Ind. Terr. Laws, 1809-1816, ch. 1, sec. 6/p. 603; Pence and Armstrong, 454)

10 January 1819

VIGO gained from SULLIVAN. (Ind. Acts 1818, 3d sess., ch. 29/p. 107)

1 February 1819

FLOYD created from CLARK and HARRISON. A small fragment of CLARK was left separate from rest of county by this creation. (Ind. Acts 1818, 3d sess., ch. 27, sec. 1/p. 99; Pence and Armstrong, 344)

20 January 1820

DELAWARE New Purchase (later ADAMS New Purchase) created from Non-County Area 4; DELAWARE New Purchase not fully organized, concurrently attached to FAYETTE, FRANKLIN, JACKSON, JENNINGS, RANDOLPH, RIPLEY, and WAYNE. WABASH New Purchase created from Non-County Area 4; WABASH New Purchase not fully organized, concurrently attached to MONROE, OWEN, and VIGO. FRANKLIN and RANDOLPH gained from Non-County Area 4. JENNINGS gained from JACKSON and Non-County Area 4. All attachments were for administrative and judicial purposes. (Ind. Acts 1819, 4th sess., ch. 54/p. 95)

1 February 1820

MARTIN created from DAVIESS and DUBOIS. Non-County Area 5 created from DAVIESS; Non-County Area 5 attached to DAVIESS for administrative and judicial purposes. (Ind. Acts 1819, 4th sess., ch. 31, secs. 1-2/pp. 54-55 and ch. 63/p. 125)

SCOTT created from CLARK, JACKSON, JEFFERSON, JENNINGS, and WASHINGTON. (Ind. Acts 1819, 4th sess., ch. 30, sec. 1/p. 51)

23 December 1820

RANDOLPH gained from DELAWARE New Purchase (later ADAMS New Purchase). (Ind. Acts 1820, 5th sess., ch. 50/p. 117)

26 December 1820

WASHINGTON gained from SCOTT. (Ind. Acts 1820, 5th sess., ch. 21/p. 58)

9 January 1821

FLOYD gained the small fragment of CLARK that was left separate from CLARK by the creation of FLOYD in 1819. (Ind. Acts 1820, 5th sess., ch. 46/p. 111)

WABASH New Purchase was detached from OWEN and VIGO and attached to MONROE only for administrative and judicial purposes. (Ind. Acts 1820, 5th sess., ch. 32, sec. 2/p. 84)

1 February 1821

UNION created from FAYETTE, FRANKLIN, and WAYNE; WAYNE gained from DELAWARE New Purchase attachment (later ADAMS New Purchase). (Ind. Acts 1820, 5th sess., ch. 58, secs. 1, 8/pp. 126, 129)

5 February 1821

GREENE created from SULLIVAN and from Non-County Area 5 attached to DAVIESS; DAVIESS gained remainder of Non-County Area 5 attached to DAVIESS; Non-County Area 5 eliminated. (Ind. Acts 1820, 5th sess., ch. 49, secs. 1-2, 8/pp. 114, 117)

12 February 1821

BARTHOLOMEW created from DELAWARE New Purchase (later ADAMS New Purchase) and JACKSON. Remainder of DELAWARE New Purchase was detached from concurrent jurisdiction of FAYETTE, FRANKLIN, JACKSON, JENNINGS, RANDOLPH, RIPLEY, and WAYNE and then attached to BARTHOLOMEW for administrative and judicial purposes. (Ind. Acts 1820, 5th sess., ch. 31, secs. 1-2, 8/pp. 79-80, 82 and ch. 32/p. 83)

2 April 1821

PARKE created from VIGO and from part of WABASH New Purchase attached to MONROE. (Ind. Acts 1820, 5th sess., ch. 24, secs. 1-2/p. 63)

31 December 1821

MONROE gained from part of DELAWARE New Purchase (later ADAMS New Purchase) attached to BARTHOLOMEW and from part of WABASH New Purchase attached to MONROE. OWEN gained from MONROE and from part of WABASH New Purchase attached to MONROE. Non-County Area 6 created from MONROE and WABASH New Purchase attached to MONROE when a small area was left outside county jurisdiction. (Ind. Acts 1821, 6th sess., ch. 41/p. 79)

2 January 1822

DELAWARE New Purchase (later ADAMS New Purchase) detached from BARTHOLOMEW; was not attached elsewhere. Western part of WABASH New Purchase was detached from MONROE and attached to PARKE for administrative and judicial purposes. (Ind. Acts 1821, 6th sess., ch. 61/p. 118)

1 February 1822

GIBSON gained from POSEY. (Ind. Acts 1821, 6th sess., ch. 63/p. 120)

15 February 1822

MORGAN created from part of DELAWARE New Purchase (later ADAMS New Purchase) and from part of WABASH New Purchase attached to MONROE. (Ind. Acts 1821, 6th sess., ch. 24, sec. 1/p. 35)

1 March 1822

RIPLEY gained from SWITZERLAND. (Ind. Acts 1821, 6th sess., ch. 67/p. 127)

4 March 1822

DECATUR created from DELAWARE New Purchase (later ADAMS New Purchase); mistake in description corrected 24 January 1828. (Ind. Acts 1821, 6th sess., ch. 33, secs. 1-2/pp. 57-58)

1 April 1822

MARION created from DELAWARE New Purchase (later ADAMS New Purchase); part of DELAWARE New Purchase attached to MARION for administrative and judicial purposes. (Ind. Acts 1821, 6th sess., ch. 72, secs. 1, 3, 7/pp. 135-136, 138)

PUTNAM created from OWEN, VIGO, and from parts of WABASH New Purchase attached to MONROE and PARKE. Part of WABASH New Purchase attached to MONROE was detached from that county and attached to PUTNAM for administrative and judicial purposes. (Ind. Acts 1821, 6th sess., ch. 36, secs. 1-2/p. 65 and ch. 61/p. 118)

RUSH created from DELAWARE New Purchase (later ADAMS New Purchase). (Ind. Acts 1821, 6th sess., ch. 35, secs. 1-2/pp. 61-62)

SHELBY created from DELAWARE New Purchase (later ADAMS New Purchase). (Ind. Acts 1821, 6th sess., ch. 31, secs. 1-2/p. 52)

1 June 1822

HENRY created from DELAWARE New Purchase (later ADAMS New Purchase). (Ind. Acts 1821, 6th sess., ch. 60, sec. 1/p. 115)

21 December 1822

VIGO gained from PUTNAM; PUTNAM gained from parts of WABASH New Purchase attached to PARKE and PUTNAM and exchanged with OWEN. (Ind. Acts 1822, 7th sess., ch. 5/p. 5)

1 January 1823

LAWRENCE gained from JACKSON. (Ind. Acts 1822, 7th sess., ch. 19/p. 27)

6 January 1823

POSEY gained from GIBSON. (Ind. Acts 1822, 7th sess., ch. 61/p. 116)

Boundary between HENRY and FAYETTE was clarified [no change]. (Ind. Acts 1822, 7th sess., ch. 68/p. 123)

10 January 1823

FLOYD gained from HARRISON. (Ind. Acts 1822, 7th sess., ch. 44/p. 77)

11 January 1823

HENRY gained from WAYNE. (Ind. Acts 1822, 7th sess., ch. 85/p. 138)

1 March 1823

MONTGOMERY created from parts of WABASH New Purchase attached to PARKE and PUTNAM. (Ind. Acts 1822, 7th sess., ch. 6, secs. 1-2/p. 7)

7 April 1823

HAMILTON created from the unattached part of DELAWARE New Purchase (later ADAMS New Purchase) and from part of DELAWARE New Purchase attached to MARION. (Ind. Acts 1822, 7th sess., ch. 52, secs. 1-2/p. 100)

5 May 1823

JOHNSON created from the unattached part of DELAWARE New Purchase (later ADAMS New Purchase); mistake in description corrected 2 February 1832. (Ind. Acts 1822, 7th sess., ch. 15, sec. 1/p. 22)

1 July 1823

MADISON created from the unattached part of DELAWARE New Purchase (later ADAMS New Purchase) and from part of DELAWARE New Purchase attached to MARION. Attachment to MARION ended, leaving no part of DELAWARE New Purchase attached to any county. (Ind. Acts 1822, 7th sess., ch. 50, sec. 1/p. 94)

2 January 1824

PARKE gained from MONTGOMERY and PUTNAM. (Ind. Acts 1823, 8th sess., spec., ch. 31, sec. 1/p. 53)

7 January 1824

MARION boundaries were clarified [no change]. (Ind. Acts 1823, 8th sess., spec., ch. 30/p. 52)

22 January 1824

WAYNE gained from HENRY. (Ind. Acts 1823, 8th sess., spec., ch. 29/p. 51)

26 January 1824

DELAWARE New Purchase (later ADAMS New Purchase) gained from MADISON. (Ind. Acts 1823, 8th sess., spec., ch. 28/p. 51)

31 January 1824

All county boundaries redefined. Changes were: DELAWARE New Purchase (later ADAMS New Purchase) gained from JACKSON, exchanged with RANDOLPH; GIBSON exchanged with PIKE; Non-County Area 7 created from HARRISON; SCOTT boundaries were redefined, accidentally creating an overlap with WASHINGTON, but change never took effect; WARRICK gained from GIBSON. (Ind. Rev. Laws 1824, ch. 17, secs. 8, 15, 17-19, 39, 48, 51/pp. 92-109 and ch. 21/p. 115)

1 February 1824

VERMILLION created from PARKE and from that part of WABASH New Purchase attached to PARKE. Part of WABASH New Purchase was detached from PARKE and attached to VERMILLION for administrative and judicial purposes. (Ind. Rev. Laws 1824, ch. 20, secs. 1-2, 8/pp. 113, 115)

1 April 1824

ALLEN created from DELAWARE New Purchase (later ADAMS New Purchase) and from Non-County Area 4; Non-County Areas 8 and 9 created from Non-County Area 4. Non-County Areas 8 and 9, and part of DELAWARE New Purchase were attached to ALLEN; another part of DELAWARE New Purchase was attached to RANDOLPH. All attachments were for administrative and judicial purposes. (Ind. Rev. Laws 1824, ch. 18, secs. 1, 8/pp. 109-110)

HENDRICKS created from DELAWARE New Purchase (later ADAMS New Purchase) and from part of WABASH New Purchase attached to PUTNAM. (Ind. Rev. Laws 1824, ch. 19, sec. 1/p. 111)

3 February 1825

GIBSON gained from PIKE. (Ind. Acts 1825, 9th sess., ch. 13/p. 15)

10 February 1825

SPENCER gained from WARRICK. (Ind. Acts 1825, 9th sess., ch. 14/p. 16)

12 February 1825

Part of unattached DELAWARE New Purchase (later ADAMS New Purchase) was attached to MARION for administrative and judicial purposes. (Ind. Acts 1825, 9th sess., ch. 12/p. 15)

1 April 1825

CLAY created from OWEN, PUTNAM, SULLIVAN, and VIGO. (Ind. Acts 1825, 9th sess., ch. 15/p. 17)

13 January 1826

Part of unattached DELAWARE New Purchase (later ADAMS New Purchase) was attached to HAMILTON for administrative and judicial purposes. Northern boundary of MADISON was redefined [no change]. (Ind. Acts 1825, 10th sess., ch. 73, secs. 3-4/p. 81)

16 January 1826

FAYETTE and UNION gained from FRANKLIN. (Ind. Acts 1825, 10th sess., ch. 7/p. 11)

20 January 1826

WARRICK gained from PIKE. (Ind. Acts 1825, 10th sess., ch. 8/p. 12)

1 March 1826

TIPPECANOE created from Non-County Area 4 and from parts of WABASH New Purchase attached to PARKE and PUTNAM. (Ind. Acts 1825, 10th sess., ch. 10/p. 14)

1 April 1826

FOUNTAIN created from MONTGOMERY and from parts of WABASH New Purchase attached to PARKE and VERMILLION. All of WABASH New Purchase attached to VERMILLION and most of WABASH New Purchase attached to PARKE were detached from those counties and attached to FOUNTAIN. All attachments were for administrative and judicial purposes. (Ind. Acts 1825, 10th sess., ch. 9/p. 13)

23 January 1827

CRAWFORD gained from PERRY. (Ind. Acts 1826, 11th sess., ch. 9/p. 12)

26 January 1827

HANCOCK created from MADISON. HANCOCK not fully organized, attached to MADISON. MADISON gained from parts of DELAWARE New Purchase (later ADAMS New Purchase) attached to HAMILTON and RANDOLPH. All attachments were for administrative and judicial purposes. (Ind. Acts 1826, 11th sess., ch. 91/p. 84)

HENRY gained from WAYNE. (Ind. Acts 1826, 11th sess., ch. 8/p. 11)

1 March 1827

WARREN created from part of WABASH New Purchase attached to FOUNTAIN. (Ind. Acts 1826, 11th sess., ch. 11/p. 14)

1 April 1827

DELAWARE created from part of DELAWARE New Purchase attached to RANDOLPH. DELAWARE New Purchase renamed ADAMS New Purchase. ADAMS New Purchase remained unorganized; part was unattached, other parts attached to ALLEN, HAMILTON, MARION, and RANDOLPH for administrative and judicial purposes. (Ind. Acts 1826, 11th sess., ch. 10, secs. 1-2, 7/pp. 12-13)

5 January 1828

FLOYD gained all of Non-County Area 7; Non-County Area 7 eliminated. (Ind. Acts 1827, 12th sess., ch. 8/p. 12)

16 January 1828

BARTHOLOMEW, JACKSON, and MONROE gained from ADAMS New Purchase; mistake in description corrected 23 December 1828. (Ind. Acts 1827, 12th sess., ch. 11/p. 15)

24 January 1828

DECATUR boundaries were redefined, correcting mistake of 4 March 1822 [no change]. (Ind. Acts 1827, 12th sess., ch. 9/p. 13)

Some of that part of ADAMS New Purchase attached to HAMILTON and some of that part of WABASH New Purchase attached to PUTNAM were detached from those counties and attached to HENDRICKS and TIPPECANOE. Some of the parts of ADAMS New Purchase attached to HAMILTON and RANDOLPH were detached from those counties and attached to DELAWARE. Non-County Area 8 gained from Non-County Area 4 and remained attached to ALLEN. All attachments were for administrative and judicial purposes. (Ind. Acts 1827, 12th sess., ch. 10/p. 13)

MARTIN gained from DAVIESS. (Ind. Acts 1827, 12th sess., ch. 12, sec. 7/p. 17)

1 March 1828

HANCOCK fully organized, detached from MADISON. (Ind. Acts 1827, 12th sess., ch. 15/p. 19)

1 April 1828

CARROLL created from Non-County Area 4, from part of ADAMS New Purchase attached to HAMILTON, and from part of WABASH New Purchase attached to PUTNAM. Part of ADAMS New Purchase detached from HAMILTON, attached to CARROLL; and part of WABASH New Purchase detached from PUTNAM, attached to CARROLL. Non-County Area 10 created from Non-County Area 4, and was concurrently attached to CARROLL and TIPPECANOE. Non-County Area 11 created from WABASH New Purchase, Non-County Area 4, and Non-County Area 8 attached to ALLEN; Non-County Area 11 was attached to CARROLL. All attachments were for administrative and judicial purposes. (Ind. Acts 1827, 12th sess., ch. 16/p. 21 and ch. 10, secs. 3, 6/p. 14; Pence and Armstrong, 244)

23 December 1828

MONROE boundaries were redefined, correcting mistake of 16 January 1828 [no change]. (Ind. Acts 1828, 13th sess., ch. 8/p. 15)

14 April 1829

CASS created from Non-County Area 11 attached to CARROLL, from part of ADAMS New Purchase attached to CARROLL, and from the small piece of WABASH New Purchase attached to CARROLL. ADAMS New Purchase was detached from CARROLL, and part of ADAMS New Purchase was detached from HAMILTON, both areas were attached to CASS. Non-County Area 12 created from Non-County Area 8 attached to ALLEN, Non-County Area 10 concurrently attached to CARROLL and TIPPECANOE, and from Non-County Area 11 attached to CARROLL. Non-County Area 12 was attached to CASS. All attachments were for administrative and judicial purposes. (Ind. Acts 1828, 13th sess., ch. 19/p. 26 and ch. 20/p. 28)

22 January 1830

SCOTT gained from JEFFERSON. (Ind. Acts 1829, 14th sess., ch. 12/p. 21)

25 January 1830

JENNINGS gained small area in the town of Paris from JEFFERSON. (Ind. Acts 1829, 14th sess., ch. 11/p. 20)

29 January 1830

Part of ADAMS New Purchase was detached from HAMILTON and remained unattached. (Ind. Acts 1829, 14th sess., ch. 13/p. 22)

1 March 1830

CLINTON created from part of ADAMS New Purchase attached to TIPPECANOE and from part of WABASH New Purchase attached to TIPPECANOE; a half-mile-wide strip of ADAMS New Purchase and WABASH New Purchase along the southern boundary of CLINTON remained attached to TIPPECANOE. (Ind. Acts 1829, 14th sess., ch. 25/p. 33)

1 April 1830

BOONE created from that part of WABASH New Purchase attached to HENDRICKS, from those parts of ADAMS New Purchase attached to HENDRICKS and MARION, and from the half-mile-wide strip of both New Purchase counties attached to TIPPECANOE. (Ind. Acts 1829, 14th sess., ch. 24, secs. 1-2/p. 31)

ELKHART created from Non-County Area 8 attached to ALLEN and Non-County Area 12 attached to CASS. Non-County Area 13 created from Non-County Area 8 attached to ALLEN; Non-County Area 13 attached to ELKHART for administrative and judicial purposes. ST. JOSEPH created from Non-County Area 12 attached to CASS and from Non-County Area 10 attached concurrently to CARROLL and TIPPECANOE. Non-County Area 14 created from Non-County Area 4 and Non-County Area 10 (concurrently attached to CARROLL and TIPPECANOE); Non-County Area 14 attached to ST. JOSEPH for administrative and judicial purposes. (Ind. Acts 1829, 14th sess., ch. 23, secs. 1-2, 7-9, 14/pp. 28-31)

31 July 1830

Part of WABASH New Purchase was detached from FOUNTAIN and attached to WARREN; other parts were detached from PARKE and PUTNAM and attached to CARROLL. All attachments were for administrative and judicial purposes. (Ind. Acts 1829, 14th sess., ch. 21/p. 26)

10 February 1831

MARION gained small area from HENDRICKS. MONROE gained all of Non-County Area 6; Non-County Area 6 eliminated. SCOTT boundaries were redefined, accidentally creating an overlap with WASHINGTON, but change never took effect. (Ind. Rev. Laws 1831, ch. 19, secs. 17, 39, 57, 61-62/pp. 115, 121, 126-128)

1 April 1831

Legislature passed a single act creating or altering the following counties and non-county areas. (Ind. Acts 1830, 15th sess., spec., ch. 12, secs. 1-2, 7-8/pp. 16-18)

31 January 1832

ST. JOSEPH gained from ELKHART. (Ind. Acts 1831, 16th sess., ch. 120/p. 114)

2 February 1832

HUNTINGTON created from parts of ADAMS New Purchase attached to ALLEN and GRANT, and from Non-County Area 8 attached to ALLEN, and Non-County Area 15 attached to GRANT. HUNTINGTON not fully organized, parts attached to ALLEN and GRANT for administrative and judicial purposes. WABASH created from parts of ADAMS New Purchase attached to CASS and GRANT, and from Non-County Area 12 attached to CASS, and Non-County Area 15 attached to GRANT. WABASH not fully organized, parts attached to CASS and GRANT for administrative and judicial purposes. (Ind. Acts 1831, 16th sess., ch. 119, secs. 1-2/pp. 112-113)

ELKHART gained from Non-County Area 13 attached to ELKHART. (Ind. Acts 1831, 16th sess., ch. 118/p. 112)

JOHNSON boundaries were redefined, correcting mistake of 5 May 1823 [no change]. (Ind. Acts 1831, 16th sess., ch. 176/p. 267)

1 April 1832

LAGRANGE created from Non-County Area 8 attached to ALLEN and Non-County Area 13 attached to ELKHART. Non-County Area 16 created from Non-County Area 8 attached to ALLEN and Non-County Area 13 attached to ELKHART. Non-County Area 16 attached to LAGRANGE for administrative and judicial purposes. (Ind. Acts 1831, 16th sess., ch. 117, secs. 1-2, 7/pp. 110-111)

LA PORTE created from ST. JOSEPH and from Non-County Area 14 attached to ST. JOSEPH. (Ind. Acts 1831, 16th sess., ch. 2/p. 9)

2 April 1832

MIAMI created from CASS, from Non-County Area 12 attached to CASS, and from part of ADAMS New Purchase attached to CASS; MIAMI not fully organized, attached to CASS for administrative and judicial purposes. CASS gained remainder of its ADAMS New Purchase attachment. (Ind. Acts 1831, 16th sess., ch. 119, secs. 3, 5/p. 113)

15 January 1833

Boundaries of HANCOCK with HENRY and MADISON were redefined [no change]. (Ind. Acts 1832, 17th sess., ch. 20/p. 20)

Boundary between VERMILLION and WARREN was clarified [no change]. (Ind. Acts 1832, 17th sess., ch. 10/p. 13; Pence and Armstrong, 59-61)

30 January 1833

Boundaries of CASS, MIAMI, and WABASH were clarified [no change]. (Ind. Acts 1832, 17th sess., ch. 39/p. 38)

1 February 1834

HUNTINGTON fully organized, detached from ALLEN and GRANT. (Ind. Acts 1833, 18th sess., ch. 29/p. 65)

1 March 1834

MIAMI gained from CASS and from Non-County Area 12 attached to CASS; MIAMI fully organized, detached from CASS. (Ind. Acts 1833, 18th sess., ch. 28/p. 64)

1 April 1834

WHITE created from part of WABASH New Purchase attached to CARROLL and from Non-County Area 10 attached to CARROLL. Part of WABASH New Purchase attached to WARREN was detached from that county and attached to WHITE. Non-County Area 17 created from Non-County Area 4 attached to WARREN; Non-County Area 17 attached to WHITE. All attachments were for administrative and judicial purposes. (Ind. Acts 1833, 18th sess., ch. 30/p. 67)

24 December 1834

Non-County Area 12 attached to CASS gained from Non-County Area 14 attached to ST. JOSEPH. Non-County Area 17 attached to WHITE gained from Non-County Area 10 attached to CARROLL, Non-County Area 14 attached to ST. JOSEPH, and Non-County Area 4 attached to WARREN. Non-County Area 10 eliminated. (Ind. Acts 1834, 19th sess., gen., ch. 57/p. 77)

31 January 1835

Non-County Area 4 attached to WARREN gained from Non-County Area 17 attached to WHITE. Part of WABASH New Purchase was detached from WHITE and attached to WARREN for administrative and judicial purposes. (Ind. Acts 1834, 19th sess., gen., ch. 69/p. 86)

6 February 1835

JENNINGS gained small area from JEFFERSON. (Ind. Acts 1834, 19th sess., gen., ch. 59/p. 78)

7 February 1835

Legislature passed single act creating 14 new counties. (Ind. Acts 1834, 19th sess., gen., ch. 25/pp. 44-47; Pence and Armstrong, 64-66; for sections on particular counties see following citations)

1 March 1835

WABASH fully organized, detached from CASS and GRANT. (Ind. Acts 1834, 19th sess., gen., ch. 23/p. 42)

1 June 1835

NOBLE created from Non-County Area 8 attached to ALLEN, Non-County Area 13 attached to ELKHART, and Non-County Area 16 attached to LAGRANGE; NOBLE not fully organized, parts attached to ALLEN, ELKHART, and LAGRANGE for administrative and judicial purposes. (Ind. Acts 1834, 19th sess., gen., ch. 24/p. 43)

1 February 1836

LAKE created from PORTER and from that part of NEWTON attached to ST. JOSEPH and WHITE; LAKE not fully organized, not attached. PORTER gained from that part of NEWTON attached to ST. JOSEPH and WHITE; PORTER fully organized, detached from ST. JOSEPH. NEWTON's attachment to ST. JOSEPH effectively ended, although a small piece of the attached area remained between the north line of township 32 and the Kankakee River. All attachments were for administrative and judicial purposes. (Ind. Acts 1835, 20th sess., gen., ch. 18/p. 51)

6 February 1836

LAKE attached to PORTER. WHITLEY detached from ALLEN, ELKHART, and GRANT; attached to HUNTINGTON. All attachments were for administrative and judicial purposes. (Ind. Acts 1835, 20th sess., gen., ch. 55/p. 84)

8 February 1836

CLARK exchanged with JEFFERSON. (Ind. Acts 1835, 20th sess., gen., ch. 48/p. 80)

1 March 1836

ADAMS fully organized, detached from ALLEN and RANDOLPH. (Ind. Acts 1835, 20th sess., gen., ch. 14/p. 46)

JAY fully organized, detached from DELAWARE and RANDOLPH. (Ind. Acts 1835, 20th sess., gen., ch. 15/p. 47)

NOBLE fully organized, detached from ALLEN, ELKHART, and LAGRANGE. (Ind. Acts 1835, 20th sess., gen., ch. 20/p. 54)

1 April 1836

BROWN created from BARTHOLOMEW, JACKSON, and MONROE; mistakes in description corrected 20 December 1836 and 17 February 1838. (Ind. Acts 1835, 20th sess., gen., ch. 19, secs. 1-2/p. 52)

MARSHALL gained from ELKHART and ST. JOSEPH; MARSHALL fully organized, detached from CASS, ELKHART, and ST. JOSEPH. (Ind. Acts 1835, 20th sess., gen., ch. 17/p. 49)

FULTON fully organized, detached from CASS and ELKHART. (Ind. Acts 1835, 20th sess., gen., ch. 16/p. 48)

1 June 1836

KOSCIUSKO fully organized, detached from CASS, ELKHART, and GRANT. (Ind. Acts 1835, 20th sess., gen., ch. 21, sec. 1/p. 55)

20 December 1836

BROWN boundaries were redefined, correcting a mistake of 1 April 1836 [no change]. (Ind. Acts 1836, 21st sess., gen., ch. 56/p. 100)

2 February 1837

JEFFERSON gained from CLARK. (Ind. Acts 1836, 21st sess., gen., ch. 52/p. 97)

4 February 1837

WHITE gained from CARROLL; mistake in description corrected 14 February 1839. (Ind. Acts 1836, 21st sess., loc., ch. 170/p. 379)

15 February 1837

LAKE fully organized, detached from PORTER. (Ind. Acts 1836, 21st sess., gen., ch. 3/p. 55)

1 May 1837

DE KALB fully organized, detached from ALLEN and LAGRANGE. (Ind. Acts 1836, 21st sess., gen., ch. 5/p. 57)

STEUBEN fully organized, detached from LAGRANGE. (Ind. Acts 1836, 21st sess., gen., ch. 4/p. 56)

WELLS fully organized, detached from ALLEN, DELAWARE, and RANDOLPH. (Ind. Acts 1836, 21st sess., gen., ch. 6/p. 59)

17 February 1838

All county boundaries redefined. (Ind. Acts 1837, 22d sess., loc., ch. 61, secs. 41, 48, 50, 52, 64-66, 70-71, 75-78/pp. 241-266; Pence and Armstrong, 406) Changes were:

Non-County Area 18 created from BARTHOLOMEW.

CASS, FULTON, and MIAMI gained from Non-County Area 12 attached to CASS; WABASH gained from Non-County Area 12 and from Non-County Area 15 attached to GRANT; WHITE gained from Non-County Area 17 attached to WHITE. Non-County Areas 12, 15, and 17 eliminated.

BROWN boundaries were redefined, correcting a mistake of 1 April 1836 [no change].

MARSHALL boundaries were redefined, implying changes that never took effect; corrected 16 February 1839.

Northern boundary of NEWTON was redefined, which would have created a dispute with LAKE and PORTER, but change never took effect; corrected 11 February 1839.

ST. JOSEPH boundaries were redefined, implying changes that never took effect; corrected 16 February 1839.

TIPPECANOE boundaries were redefined, implying a change that never took effect; corrected 11 February 1839.

Attachment of NEWTON to WHITE for administrative and judicial purposes was confirmed [no change].

MADISON gained from GRANT.

Legislature authorized MONROE to gain from GREENE, dependent on local referendum that failed [no change].

15 March 1838

JASPER fully organized, detached from WARREN and WHITE. (Ind. Acts 1837, 22d sess., loc., ch. 64/p. 268)

1 April 1838

WHITLEY fully organized, detached from HUNTINGTON. (Ind. Acts 1837, 22d sess., loc., ch. 230/p. 408)

2 April 1838

BLACKFORD created from JAY; BLACKFORD not fully organized, attached to JAY for administrative and judicial purposes. Mistakes in description corrected 29 January 1839 and 5 December 1842. (Ind. Acts 1837, 22d sess., loc., ch. 97/p. 290)

29 January 1839

BLACKFORD fully organized, detached from JAY; mistake of 2 April 1838 corrected [no change]. (Ind. Acts 1838, 23d sess., gen., ch. 49/p. 64)

11 February 1839

Boundary line separating NEWTON from LAKE and PORTER was redefined, correcting mistake of 17 February 1838 [no change]. (Ind. Acts 1838, 23d sess., gen., ch. 53/p. 68)

TIPPECANOE boundaries were clarified, correcting mistake of 17 February 1838 [no change]. (Ind. Acts 1838, 23d sess., gen., ch. 68/p. 79)

12 February 1839

RUSH boundaries were clarified [no change]. (Ind. Acts 1838, 23d sess., gen., ch. 79/p. 85)

14 February 1839

Boundary between CARROLL and WHITE was redefined, correcting mistake of 4 February 1837 [no change]. (Ind. Acts 1838, 23d sess., gen., ch. 95/p. 93)

16 February 1839

LA PORTE gained from ST. JOSEPH and from Non-County Area 14 attached to ST. JOSEPH; Non-County Are 14 eliminated. Boundaries of MARSHALL and ST. JOSEPH redefined, correcting mistakes of 17 February 1838 [no change]. Boundaries of LAKE, PORTER, and STARKE redefined [no changes]. (Ind. Acts 1838, 23d sess., gen., ch. 56/p. 70)

SCOTT gained small areas from CLARK and WASHINGTON. (Ind. Acts 1838, 23d sess., loc., ch. 249/p. 323)

Parts of unattached ADAMS New Purchase (Great Miami Reservation) were attached to CARROLL, CASS, HAMILTON, and MIAMI for administrative and judicial purposes. (Ind. Acts 1838, 23d sess., gen., ch. 63/p. 75)

6 May 1839

PULASKI fully organized, detached from CASS and WHITE. (Ind. Acts 1838, 23d sess., gen., ch. 19/p. 34)

3 June 1839

JASPER gained all of NEWTON; NEWTON eliminated. WARREN and WHITE lost NEWTON attachments when NEWTON was eliminated. (Ind. Acts 1838, 23d sess., gen., ch. 74/p. 83; Pence and Armstrong, 474)

18 February 1840

BENTON created from JASPER. (Ind. Acts 1839, 24th sess., gen., ch. 40/p. 62)

20 February 1840

Boundaries of BLACKFORD and JAY redefined [no change]. (Ind. Acts 1839, 24th sess., gen., ch. 60/p. 79)

24 February 1840

FULTON gained from KOSCIUSKO. (Ind. Acts 1839, 24th sess., loc., ch. 208/p. 229; Pence and Armstrong, 368)

10 February 1841

JASPER gained from WHITE. (Ind. Acts 1840, 25th sess., gen., ch. 53/p. 135)

29 January 1842

LA PORTE gained from part of STARKE attached to ST. JOSEPH. (Ind. Acts 1841, 26th sess., gen., ch. 147/p. 152)

5 December 1842

All county boundaries redefined. Changes were: BLACKFORD boundaries were redefined, correcting mistake of 2 April 1838 [no change]; CARROLL boundaries were redefined, creating an overlap with WHITE, but change never took effect (corrected 13 January 1846); CLARK gained small area from SCOTT, exchanged with WASHINGTON; DEARBORN boundaries were redefined, mistake in description corrected 13 January 1845 [no change]; FLOYD gained small area from CLARK; GIBSON gained from WARRICK; JACKSON gained all of Non-County Area 18, which was eliminated; KOSCIUSKO gained from FULTON; LAKE, LA PORTE, and PORTER lost to non-county area over the waters of Lake Michigan when their jurisdictions were restricted to land [not mapped]; SULLIVAN gained small area from KNOX; WARRICK boundaries were redefined, creating an overlap with SPENCER, but change never took effect (corrected 1 March 1853). (Ind. Rev. Stat. 1843, ch. 2, secs. 2, 26, 28-31, 36-37, 42-44, 61, 67, 77, 80-82, 85-86/pp. 68, 74-81, 84, 86, 88-89)

13 January 1844

WARRICK gained from GIBSON. (Ind. Acts 1843, 28th sess., gen., ch. 81/p. 87)

15 January 1844

FULTON gained from MIAMI; mistake in description corrected 13 January 1845. (Ind. Acts 1843, 28th sess., gen., ch. 61/p. 73)

RICHARDVILLE (now HOWARD) created from parts of ADAMS New Purchase attached to CARROLL, CASS, and MIAMI; RICHARDVILLE not fully organized, parts attached to CARROLL, CASS, and MIAMI. A one-mile-wide remnant of ADAMS New Purchase remained attached to CARROLL. TIPTON created from parts of ADAMS New Purchase attached to CASS, HAMILTON, and MIAMI; TIPTON not fully organized, parts attached to CASS, HAMILTON, and MIAMI. All attachments were for administrative and judicial purposes. (Ind. Acts 1843, 28th sess., gen., ch. 3, secs. 1-2, 6/pp. 10-11)

1 March 1844

OHIO created from DEARBORN; OHIO not fully organized, attached to DEARBORN for administrative and judicial purposes. (Ind. Acts 1843, 28th sess., gen., ch. 2, secs. 1, 13/pp. 7, 9)

23 April 1844

FLOYD gained small area from CLARK. (Pence and Armstrong, 350)

1 May 1844

OHIO fully organized, detached from DEARBORN. (Ind. Acts 1843, 28th sess., gen., ch. 2, sec. 4/p. 7)

RICHARDVILLE (now HOWARD) fully organized, detached from CARROLL, CASS, and MIAMI. TIPTON fully organized, detached from CASS, HAMILTON and MIAMI. (Ind. Acts 1843, 28th sess., gen., ch. 3, sec. 6/p. 11)

7 January 1845

OHIO gained from DEARBORN. (Ind. Acts 1844, 29th sess., loc., ch. 230, secs. 1-2/p. 225)

13 January 1845

RICHARDVILLE (now HOWARD) gained all of ADAMS New Purchase attached to CARROLL; ADAMS New Purchase eliminated; mistakes in description corrected 13 January 1846. (Ind. Acts 1844, 29th sess., loc., ch. 126/p. 151)

DEARBORN boundaries were clarified, correcting mistake of 5 December 1842 [no change]. (Ind. Acts 1844, 29th sess., loc., ch. 107/p. 136)

FULTON boundaries were clarified, correcting mistake of 15 January 1844 [no change]. (Ind. Acts 1844, 29th sess., loc., ch. 186/p. 191)

13 January 1846

FULTON gained from KOSCIUSKO. (Ind. Acts 1845, 30th sess., gen., ch. 78/p. 87)

CARROLL boundaries were redefined, correcting mistake of 5 December 1842 and implicitly clarifying the boundary with WHITE. Boundary between CARROLL and RICHARDVILLE (now HOWARD) was redefined, correcting mistakes of 13 January 1845 [no change]. (Ind. Acts 1845, 30th sess., loc., chs. 237, 246/pp. 260, 264)

14 January 1846

CLARK exchanged with WASHINGTON. (Ind. Acts 1845, 30th sess., gen., ch. 110/p. 111)

28 December 1846

RICHARDVILLE renamed HOWARD. (Ind. Acts 1846, 31st sess., loc., ch. 168/p. 261)

18 January 1847

GIBSON gained from WARRICK. (Ind. Acts 1846, 31st sess., loc., ch. 188/p. 272)

15 January 1850

STARKE fully organized, detached from CASS, ST. JOSEPH, and WHITE. (Ind. Acts 1849, 34th sess., gen., ch. 258/p. 213)

4 July 1850

LA PORTE gained from ST. JOSEPH. (Ind. Acts 1849, 34th sess., gen., ch. 141/p. 114)

10 February 1851

LAKE, LA PORTE, and PORTER gained from non-county area over the waters of Lake Michigan when the county line was extended to the northern boundary of Indiana [not mapped]. (Ind. Acts 1850, 35th sess., gen., ch. 35/p. 58)

13 February 1851

SCOTT gained small area from JEFFERSON. (Ind. Acts 1850, 35th sess., gen., ch. 34/p. 58)

27 May 1852

Legislature authorized creation of a new unnamed county from PERRY and SPENCER, dependent on local referendum that failed [no change]. (Ind. Acts 1851, 36th sess., spec. and loc., ch. 50, secs. 1-4/pp. 132-133; Pence and Armstrong, 105-106)

7 June 1852

All county boundaries redefined. Changes were: FLOYD gained small area from HARRISON along the Ohio River; SULLIVAN boundaries were redefined, mistake in description corrected 5 March 1859 [no change]; WARRICK gained from GIBSON, and mistake of 5 December 1842 (overlap of SPENCER that never took effect) was repeated, not corrected until 1 March 1853. (Ind. Rev. Stat. 1852, 1:ch. 14, secs. 23, 27, 31, 78, 86/pp. 174, 176-177, 192, 194)

1 March 1853

Boundary between SPENCER and WARRICK was redefined, correcting mistakes of 5 December 1842 and 7 June 1852 [no change]. (Ind. Acts 1853, 37th sess., ch. 7/p. 15)

3 March 1859

HOWARD gained from CLINTON. (Pence and Armstrong, 292, 446)

5 March 1859

SULLIVAN boundaries were redefined, correcting mistake of 7 June 1852 [no change]. (Ind. Acts 1859, 40th sess., ch. 12/p. 43)

8 June 1859

LAWRENCE gained from JACKSON. (Pence and Armstrong, 470, 568)

11 June 1859

WHITLEY gained from NOBLE. (Pence and Armstrong, 630, 864)

8 December 1859

NEWTON re-created from JASPER with different boundaries from those of original NEWTON. (Ind. Stat. of the State, 1:ch. 43/p. 212; Pence and Armstrong, 111-112)

11 March 1861

PUTNAM gained from MORGAN. (Ind. Acts 1861, 41st sess., reg., ch. 43/p. 98)

c. 6 June 1868

HENDRICKS gained from MORGAN. (Pence and Armstrong, 432, 618)

7 March 1873

CLARK exchanged with WASHINGTON. (Ind. Acts 1873, 48th sess., ch. 40/p. 105)

8 March 1923

Kankakee River boundary of JASPER, LAKE, NEWTON, and PORTER adjusted to match ditching of streambed [not mapped]. (Ind. Acts 1923, 73d sess., reg., ch. 164, secs. 1-3/pp. 464-465)

2 March 1925

Kankakee River boundary of LA PORTE and STARKE adjusted to match ditching of streambed [not mapped]. (Ind. Acts 1925, 74th sess., ch. 41, secs. 1-3/pp. 122-123)

9 March 1931

LA PORTE exchanged small areas with ST. JOSEPH. (Ind. Acts 1931, 77th sess., ch. 115, secs. 1-4/pp. 450-452)

27 March 1979

Boundary between CLARK and WASHINGTON was redefined [no change]. (Ind. Acts 1979, 101st gen. assy., 1st reg. sess., pub. law no. 156/p. 714)

31 August 1981

Boundaries of FULTON, MARSHALL, and ST. JOSEPH clarified [no change]. (Ind. Secretary of State, correspondence, 13 Jul. 1990; Ind. Acts 1980, 101st gen. assy., 2d reg. sess., pub. law no. 212, secs. 1-2/pp. 1682-1685)