Illinois: Index of Counties and Equivalents

Illinois Atlas of Historical County Boundaries

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

Copyright The Newberry Library 2008


ADAMS

ALEXANDER

ALLEN (proposed)

AUDUBON (proposed)

BENTON (proposed)

BOND

BOONE

BROWN

BUREAU

CALHOUN

CARROLL

CASS

CHAMPAIGN

CHRISTIAN

CLARK

CLAY

CLINTON

COFFEE (proposed)

COLES

COOK

CRAWFORD

CUMBERLAND

DANE (see CHRISTIAN)

DE KALB

DE WITT

DOUGLAS (proposed)

DOUGLAS

DU PAGE

EDGAR

EDWARDS

EFFINGHAM

FAYETTE

FORD

FRANKLIN

FULTON

GALLATIN

GREENE

GRUNDY

HAMILTON

HANCOCK

HARDIN

HARRISON (proposed)

HENDERSON

HENRY

HIGHLAND (extinct)

HOLMES (proposed)

ILLINOIS (Va., extinct)

Illinois Territory

Indiana Territory

IROQUOIS

JACKSON

JASPER

JEFFERSON

JERSEY

JO DAVIESS

JOHNSON

KANE

KANKAKEE (proposed)

KANKAKEE

KENDALL

KNOX (Ind.)

KNOX

LA SALLE

LAKE

LAWRENCE

LEE

LINCOLN (proposed)

LIVINGSTON

LOGAN

MACON

MACOUPIN

MADISON

MARION

MARQUETTE (see HIGHLAND)

MARSHALL

MASON

MASSAC

McDONOUGH

McHENRY

McLEAN

MENARD

MERCER

MICHIGAN (proposed)

MILTON (proposed)

MONROE

MONTGOMERY

MORGAN

MOULTRIE

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

Northwest Territory

OGLE

OKAW (proposed)

OREGON (proposed)

PEORIA

PERRY

PIATT

PIKE

POPE

PULASKI

PUTNAM

RANDOLPH

RICHLAND

ROCK ISLAND

ST. CLAIR

SALINE

SANGAMON

SCHUYLER

SCOTT

SHELBY

STARK

STEPHENSON

TAZEWELL

UNION

Unorganized Federal Territory

VERMILION

WABASH

WARREN

WASHINGTON

WAYNE (Ind. Terr., extinct)

WAYNE (N.W. Terr., extinct)

WAYNE

WHITESIDE

WHITE

WILLIAMSON

WILL

WINNEBAGO

WOODFORD