Alaska Atlas of Historical County Boundaries
John H. Long, Editor; Peggy Tuck Sinko, Associate Editor; Douglas Knox, Book Digitizing Director; Emily Kelley, Digital Compiler; Laura Rico-Beck, GIS Specialist; Peter Siczewicz, ArcIMS Interactive Map Designer; Robert Will, Cartographic Assistant
Copyright The Newberry Library 2009
30 March 1867
The United States acquired Alaska from Russia. Presidential proclamation issued 20 June 1867. Alaska was considered an "unorganized territory" with no organized civil government. (Parry, 134:331-335; Swindler, 1:163-168)
1 June 1880
1880 census. Alaska was divided into 2 districts for census purposes: Northern and Southern. For statistical purposes the Northern District comprised 2 smaller census divisions: Arctic District and Yukon District. Southern District comprised 4 smaller census divisions: Aleutian District (renamed Unalaska for 1890 census), Kodiak District, Kuskokwim District, and Southeastern District. (Thorndale & Dollarhide, 24; Compendium of 1890 Census, cxxvi, 916-917; 1900 U.S. Census, xiii-xiv, 47)
17 May 1884
The United States Congress established a civil government for Alaska. This act was limited and resulted in a partial organization of Alaska as a territory. (Swindler, 1:168-174)
2 June 1890
1890 census. Alaska was divided into 2 districts for census purposes: Northern and Southern. For statistical purposes the Northern District comprised 2 smaller census divisions: Arctic District and Yukon District. Southern District comprised 5 smaller census divisions: Unalaska District, Kodiak District, Kuskokwim District, Nushagak District and Southeastern District. (Thorndale & Dollarhide, 24; 1900 U.S. Census, xiii-xiv, 47)
1890 census. Arctic District gained from Yukon District in the 1880s. (Thorndale & Dollarhide, 24; Compendium of 1890 Census, cxxvi, 916-917)
1890 census. Kuskokwim District lost territory to Nushagak District in 1880s. (Thorndale & Dollarhide, 24; Compendium of 1890 Census, cxxvi, 916-917)
1 June 1900
1900 census. Alaska was divided into 2 districts for census purposes: Northern and Southern. (Thorndale & Dollarhide, 24; 1900 U.S. Census, xiii-xiv, 47)
3 March 1909
The United States Congress established 4 judicial districts to cover all of Alaska. Districts were numbered 1 through 4. (U.S. Stat., vol. 35, ch. 269[1909], sec. 2/pp. 839-840)
15 April 1910
1910 census. First Judicial District, Second Judicial District, Third Judicial District, and Fourth Judicial District each served as a census area. (Thorndale & Dollarhide, 25; 1910 U.S. Census, 586-587; U.S. Stat., vol. 35, ch. 269 [1909], sec. 2/pp. 839-840; NHGIS)
24 August 1912
Alaska was fully organized as a territory in the United States. (U.S. Stat., vol. 37, ch. 387[1912]/pp. 512-518; Van Zandt, 29)
1 January 1920
1920 census. First Judicial District, Second Judicial District, Third Judicial District, and Fourth Judicial District each served as a census area. (Thorndale & Dollarhide, 25; 1920 U.S. Census, 680; NHGIS)
2 March 1921
Alaska judicial district boundaries were redefined: Fourth Judicial District gained from Second and Third Judicial Districts; First Judicial District boundaries did not change. (U.S. Stat., vol. 41, part 1, ch. 110 [1921]/pp. 1203-1204)
1 April 1930
1930 census. First Judicial District, Second Judicial District, Third Judicial District, and Fourth Judicial District each served as a census area. 1930 Alaska census was taken in the fall of 1929. (Thorndale & Dollarhide, 25; 1950 Census of Population, 42; NHGIS)
1 April 1940
1940 census. First Judicial District, Second Judicial District, Third Judicial District, and Fourth Judicial District each served as a census area. 1940 Alaska census was taken 1 October 1939. (Thorndale & Dollarhide, 25; 1950 Census of Population, 42; NHGIS)
1 June 1948
Fourth Judicial District gained from Third Judicial District. (U.S. Stat., vol. 62, part 1, ch. 363/pp. 283-284)
1 April 1950
1950 census. First Judicial District, Second Judicial District, Third Judicial District, and Fourth Judicial District each served as a census area. (1950 Census of Population, 42; NHGIS)
3 January 1959
Alaska was admitted to the Union as the 49th state. Presidential proclamation issued this date. (Swindler, 1:208-225; Van Zandt, 165)
1 April 1960
1960 census. Alaska divided into 24 Election Districts which served as census areas. (1960 Census of Population, 51; NHGIS)
Aleutian Islands (Election District 14)
Anchorage (Election District 10)
Barrow (Election District 21)
Bethel (Election District 16)
Bristol Bay (Election District 15)
Cordova-McCarthy (Election District 7)
Fairbanks (Election District 19)
Juneau (Election District 5)
Kenai-Cook Inlet (Election District 12)
Ketchikan (Election District 2)
Kobuk (Election District 22)
Kodiak (Election District 13)
Kuskokwim (Election District 17)
Lynn Canal-Icy Straits (Election District 6)
Nome (Election District 23)
Palmer-Wasilla-Talkeetna (Election District 9)
Prince of Wales (Election District 1)
Seward (Election District 11)
Sitka (Election District 4)
Upper Yukon (Election District 20)
Valdez-Chitina-Whittier (Election District 8)
Wade-Hampton (Election District 24)
Wrangell-Petersburg (Election District 3)
Yukon-Koyukuk (Election District 18)
1 April 1970
1970 census. Alaska was divided into 29 census areas. (1970 Census of Population, 90; NACO, Alaska; NHGIS; U.S. Census Bureau, "Significant Changes"; "City/Borough of Juneau," http://www.juneau.org/history-old/histoutl.php)
Aleutian Islands Census Division
Anchorage Census Division
Angoon Census Division
Barrow Census Division
Bethel Census Division
Bristol Bay Borough. Bristol Bay was established as a borough in 1962.
Bristol Bay Census Division
Cordova-McCarthy Census Division
Fairbanks North Star Census Division. Fairbanks North Star Borough was established in 1964.
Haines Census Division. Haines was incorporated as a third class borough 29 August 1968.
Juneau Census Division. City and Borough of Juneau was incorporated as a first class borough 30 September 1963.
Kenai-Cook Inlet Census Division
Ketchikan Census Division. Ketchikan Gateway Borough established in 1963.
Kobuk Census Division
Kodiak Island Census Division. Kodiak Island became a borough in 1963.
Kuskokwim Census Division
Matanuska-Susitna Census Division. Matanuska-Susitna was incorporated as a second class borough 1 January 1964.
Nome Census Division
Outer Ketchikan Census Division
Prince of Wales Census Division
Seward Census Division
Sitka Census Division
Skagway-Yakutat Census Division
Southeast Fairbanks Census Division
Upper Yukon Census Division
Valdez-Chitina-Whittier Census Division
Wade-Hampton Census Division
Wrangell-Petersburg Census Division
Yukon-Koyukuk Census Division
1 April 1980
1980 census. Alaska was divided into 23 census areas. (U.S. Census Bureau, "Significant Changes"; Forstall, 12; NACO, Alaska; NHGIS)
Aleutian Islands Census Area
Anchorage, Municipality of. In 1975, the City of Anchorage and Greater Anchorage Area Borough were consolidated into the Municipality of Anchorage.
Bethel Census Area
Bristol Bay Borough
Dillingham Census Area
Fairbanks North Star Borough
Haines Borough
Juneau, City and Borough
Kenai Peninsula Borough. Kenai Peninsula created as a second-class borough in 1964.
Ketchikan Gateway Borough
Kobuk Census Area
Kodiak Island Borough
Matanuska-Susitna Borough
Nome Census Area
North Slope Borough; created in 1972.
Prince of Wales-Outer Ketchikan Census Area
Sitka, City and Borough. Sitka City and Sitka Borough were consolidated in 1971.
Skagway-Yakutat-Angoon Census Area
Southeast Fairbanks Census Area
Valdez-Cordova Census Area
Wade-Hampton Census Area
Wrangell-Petersburg Census Area
Yukon-Koyukuk Census Area
1 April 1990
1990 census. Alaska was divided into 25 census areas. (U.S. Census Bureau, "Significant Changes"; Forstall 12; NACO, Alaska; NHGIS)
Aleutians East Borough; created 23 October 1987 from part of Aleutian Islands Census Area.
Aleutians West Census Area; created 23 October 1987 from part of Aleutian Islands Census Area.
Anchorage, Municipality of
Bethel Census Area
Bristol Bay Borough
Dillingham Census Area
Fairbanks North Star Borough
Haines Borough
Juneau, City and Borough
Kenai Peninsula Borough
Ketchikan Gateway Borough
Kodiak Island Borough
Lake and Peninsula Borough; created 24 April 1989.
Matanuska-Susitna Borough
Nome Census Area
North Slope Borough
Northwest Arctic Borough; created from all of Kobak Census Area and part of North Slope Borough 2 June 1986.
Prince of Wales-Outer Ketchikan Census Area
Sitka, City and Borough
Skagway-Yakutat-Angoon Census Area
Southeast Fairbanks Census Area
Valdez-Cordova Census Area
Wade-Hampton Census Area
Wrangell-Petersburg Census Area
Yukon-Koyukuk Census Area
1 April 2000
2000 census. Alaska was divided into 27 census areas. (Census 2000 Data Alaska; NHGIS; U.S. Census Bureau, 1990s Boundary Changes)
Aleutians East Borough
Aleutians West Census Area
Anchorage, Municipality of
Bethel Census Area
Bristol Bay Borough
Denali Borough; created 7 December 1990.
Dillingham Census Area
Fairbanks North Star Borough
Haines Borough
Juneau, City and Borough
Kenai Peninsula Borough
Ketchikan Gateway Borough
Kodiak Island Borough
Lake and Peninsula Borough
Matanuska-Susitna Borough
Nome Census Area
North Slope Borough
Northwest Arctic Borough
Prince of Wales-Outer Ketchikan Census Area
Sitka, City and Borough
Skagway-Hoonah-Angoon Census Area; created 22 September 1992.
Southeast Fairbanks Census Area
Valdez-Cordova Census Area
Wade-Hampton Census Area
Wrangell-Petersburg Census Area
Yakutat, City and Borough; created 22 September 1992.
Yukon-Koyukuk Census Area