Iowa: Index of Counties and Equivalents

Iowa Atlas of Historical County Boundaries

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

Copyright The Newberry Library 2007


ADAIR

ADAMS

ALLAMAKEE

APPANOOSE

AUDUBON

BANCROFT (extinct)

BELKNAP (proposed)

BENTON

BLACK HAWK

BOONE

BREMER

BUCHANAN

BUENA VISTA

BUNCOMBE (see LYON)

BUTLER

CALHOUN

CARROLL

CASS

CEDAR

CERRO GORDO

CHEROKEE

CHICKASAW

CLARK (Mo.)

CLARKE

CLAY

CLAYTON

CLINTON

COOK (extinct)

CRAWFORD

CROCKER (extinct)

DALLAS

DAVIS

DECATUR

DELAWARE

DES MOINES

DICKINSON

Disputed Area 1

Disputed Area 2

DUBUQUE

EMMET

FAYETTE

FLOYD

FOX (see CALHOUN)

FRANKLIN

FREMONT

GREENE

GRIMES (proposed)

GRUNDY

GUTHRIE

HAMILTON

HANCOCK

HARDIN

HARRISON

HENRY

HOWARD (Mo.)

HOWARD

HUMBOLDT

IDA

IOWA

JACKSON

JASPER

JEFFERSON

JOHNSON

JONES

KEOKUK

KISHKEKOSH (see MONROE)

KOSSUTH

LARRABEE (proposed)

LEE

LINN

LOUISA

LUCAS

LYON

MADISON (proposed)

MADISON

MAHASKA

MARION

MARSHALL

Michigan Territory

MILLS

Missouri Territory

MITCHELL

MONONA

MONROE

MONTGOMERY

MUSCATINE

Non-County Area 1

Non-County Area 2

Non-County Area 3

Non-County Area 4

Non-County Area 5

Non-County Area 6

Non-County Area 7

Non-County Area 8

Non-County Area 9

Non-County Area 10

Non-County Area 11

O'BRIEN

OSCEOLA

PAGE

PALO ALTO

PIKE (Mo.)

PLYMOUTH

POCAHONTAS

POLK

POTTAWATTAMIE

POWESHIEK

RINGGOLD

RISLEY (extinct)

SAC

ST. CHARLES (Mo.)

SCOTT

SHELBY

SIOUX

SLAUGHTER (see WASHINGTON)

STORY

TAMA

TAYLOR

UNION

Unorganized Federal Territory

VAN BUREN

WAHKAW (see WOODBURY)

WAPELLO

WARREN

WASHINGTON

WAYNE

WEBSTER

WINNEBAGO

WINNESHIEK

WOODBURY

WORTH

WRIGHT

YELL (extinct)