Illinois counties and county equivalents

These are current canonical geography records. Historical boundaries and election reporting units can differ; consult each area's caveats.

• Adams County

  FIPS 17001

• Alexander County

  FIPS 17003

• Bond County

  FIPS 17005

• Boone County

  FIPS 17007

• Brown County

  FIPS 17009

• Bureau County

  FIPS 17011

• Calhoun County

  FIPS 17013

• Carroll County

  FIPS 17015

• Cass County

  FIPS 17017

• Champaign County

  FIPS 17019

• Christian County

  FIPS 17021

• Clark County

  FIPS 17023

• Clay County

  FIPS 17025

• Clinton County

  FIPS 17027

• Coles County

  FIPS 17029

• Cook County

  FIPS 17031

• Crawford County

  FIPS 17033

• Cumberland County

  FIPS 17035

• De Witt County

  FIPS 17039

• DeKalb County

  FIPS 17037

• Douglas County

  FIPS 17041

• DuPage County

  FIPS 17043

• Edgar County

  FIPS 17045

• Edwards County

  FIPS 17047

• Effingham County

  FIPS 17049

• Fayette County

  FIPS 17051

• Ford County

  FIPS 17053

• Franklin County

  FIPS 17055

• Fulton County

  FIPS 17057

• Gallatin County

  FIPS 17059

• Greene County

  FIPS 17061

• Grundy County

  FIPS 17063

• Hamilton County

  FIPS 17065

• Hancock County

  FIPS 17067

• Hardin County

  FIPS 17069

• Henderson County

  FIPS 17071

• Henry County

  FIPS 17073

• Iroquois County

  FIPS 17075

• Jackson County

  FIPS 17077

• Jasper County

  FIPS 17079

• Jefferson County

  FIPS 17081

• Jersey County

  FIPS 17083

• Jo Daviess County

  FIPS 17085

• Johnson County

  FIPS 17087

• Kane County

  FIPS 17089

• Kankakee County

  FIPS 17091

• Kendall County

  FIPS 17093

• Knox County

  FIPS 17095

• Lake County

  FIPS 17097

• LaSalle County

  FIPS 17099

• Lawrence County

  FIPS 17101

• Lee County

  FIPS 17103

• Livingston County

  FIPS 17105

• Logan County

  FIPS 17107

• Macon County

  FIPS 17115

• Macoupin County

  FIPS 17117

• Madison County

  FIPS 17119

• Marion County

  FIPS 17121

• Marshall County

  FIPS 17123

• Mason County

  FIPS 17125

• Massac County

  FIPS 17127

• McDonough County

  FIPS 17109

• McHenry County

  FIPS 17111

• McLean County

  FIPS 17113

• Menard County

  FIPS 17129

• Mercer County

  FIPS 17131

• Monroe County

  FIPS 17133

• Montgomery County

  FIPS 17135

• Morgan County

  FIPS 17137

• Moultrie County

  FIPS 17139

• Ogle County

  FIPS 17141

• Peoria County

  FIPS 17143

• Perry County

  FIPS 17145

• Piatt County

  FIPS 17147

• Pike County

  FIPS 17149

• Pope County

  FIPS 17151

• Pulaski County

  FIPS 17153

• Putnam County

  FIPS 17155

• Randolph County

  FIPS 17157

• Richland County

  FIPS 17159

• Rock Island County

  FIPS 17161

• Saline County

  FIPS 17165

• Sangamon County

  FIPS 17167

• Schuyler County

  FIPS 17169

• Scott County

  FIPS 17171

• Shelby County

  FIPS 17173

• St. Clair County

  FIPS 17163

• Stark County

  FIPS 17175

• Stephenson County

  FIPS 17177

• Tazewell County

  FIPS 17179

• Union County

  FIPS 17181

• Vermilion County

  FIPS 17183

• Wabash County

  FIPS 17185

• Warren County

  FIPS 17187

• Washington County

  FIPS 17189

• Wayne County

  FIPS 17191

• White County

  FIPS 17193

• Whiteside County

  FIPS 17195

• Will County

  FIPS 17197

• Williamson County

  FIPS 17199

• Winnebago County

  FIPS 17201

• Woodford County

  FIPS 17203