Illinois (IL) Counties

FIPS codes for Illinois.

FIPS State Code: 17

Enter the U.S. country code (01) followed by the state and county code.

For example, for Adams County, enter 01-17001.

FIPS County Code

County Name

001

Adams

003

Alexander

005

Bond

007

Boone

009

Brown

011

Bureau

013

Calhoun

015

Carroll

017

Cass

019

Champaign

021

Christian

023

Clark

025

Clay

027

Clinton

029

Coles

031

Cook

033

Crawford

035

Cumberland

037

De Kalb

039

De Witt

041

Douglas

043

Du Page

045

Edgar

047

Edwards

049

Effingham

051

Fayette

053

Ford

055

Franklin

057

Fulton

059

Gallatin

061

Greene

063

Grundy

065

Hamilton

067

Hancock

069

Hardin

071

Henderson

073

Henry

075

Iroquois

077

Jackson

079

Jasper

081

Jefferson

083

Jersey

085

Jo Daviess

087

Johnson

089

Kane

091

Kankakee

093

Kendall

095

Knox

097

Lake

099

LaSalle

101

Lawrence

103

Lee

105

Livingston

107

Logan

109

McDonough

111

McHenry

113

McLean

115

Macon

117

Macoupin

119

Madison

121

Marion

123

Marshall

125

Mason

127

Massac

129

Menard

131

Mercer

133

Monroe

135

Montgomery

137

Morgan

139

Moultrie

141

Ogle

143

Peoria

145

Perry

147

Piatt

149

Pike

151

Pope

153

Pulaski

155

Putnam

157

Randolph

159

Richland

161

Rock Island

163

St. Clair

165

Saline

167

Sangamon

169

Schuyler

171

Scott

173

Shelby

175

Stark

177

Stephenson

179

Tazewell

181

Union

183

Vermilion

185

Wabash

187

Warren

189

Washington

191

Wayne

193

White

195

Whiteside

197

Will

199

Williamson

201

Winnebago

203

Woodford