Illinois / all counties
All 102 counties in Illinois
Every county in Illinois with its political archetype and 2024 presidential margin. Tap any card for the full 148-year picture — every election from 1876, ACS demographics, and the counties most similar to it across the long history.
Adams County
2024R+47.4
Alexander County
2024R+19.2
Bond County
2024R+44.7
Boone County
2024R+14.5
Brown County
2024R+59.9
Bureau County
2024R+24.3
Calhoun County
2024R+55.9
Carroll County
2024R+31.7
Cass County
2024R+43.4
Champaign County
2024D+23.8
Christian County
2024R+46.7
Clark County
2024R+51.2
Clay County
2024R+67.3
Clinton County
2024R+51.8
Coles County
2024R+28.4
Cook County
2024D+41.6
Crawford County
2024R+52.4
Cumberland County
2024R+61.8
De Witt County
2024R+44.7
DeKalb County
2024D+2.0
Douglas County
2024R+46.1
DuPage County
2024D+13.1
Edgar County
2024R+52.3
Edwards County
2024R+71.1
Effingham County
2024R+60.3
Fayette County
2024R+64.7
Ford County
2024R+47.8
Franklin County
2024R+50.5
Fulton County
2024R+23.8
Gallatin County
2024R+53.8
Greene County
2024R+57.8
Grundy County
2024R+29.5
Hamilton County
2024R+63.3
Hancock County
2024R+49.9
Hardin County
2024R+61.7
Henderson County
2024R+38.8
Henry County
2024R+24.4
Iroquois County
2024R+57.3
Jackson County
2024D+3.5
Jasper County
2024R+65.2
Jefferson County
2024R+47.7
Jersey County
2024R+50.2
Jo Daviess County
2024R+16.8
Johnson County
2024R+58.3
Kane County
2024D+9.3
Kankakee County
2024R+20.8
Kendall County
2024D+1.5
Knox County
2024R+9.4
Lake County
2024D+20.7
LaSalle County
2024R+18.5
Lawrence County
2024R+56.2
Lee County
2024R+22.2
Livingston County
2024R+46.3
Logan County
2024R+41.5
Macon County
2024R+18.9
Macoupin County
2024R+39.2
Madison County
2024R+13.2
Marion County
2024R+49.5
Marshall County
2024R+36.0
Mason County
2024R+42.2
Massac County
2024R+48.8
McDonough County
2024R+18.8
McHenry County
2024R+5.3
McLean County
2024D+4.9
Menard County
2024R+41.4
Mercer County
2024R+27.1
Monroe County
2024R+36.3
Montgomery County
2024R+44.0
Morgan County
2024R+32.4
Moultrie County
2024R+49.0
Ogle County
2024R+29.3
Peoria County
2024D+4.6
Perry County
2024R+51.9
Piatt County
2024R+30.5
Pike County
2024R+63.7
Pope County
2024R+60.1
Pulaski County
2024R+34.2
Putnam County
2024R+22.8
Randolph County
2024R+50.0
Richland County
2024R+53.4
Rock Island County
2024D+9.6
Saline County
2024R+49.0
Sangamon County
2024R+4.9
Schuyler County
2024R+46.8
Scott County
2024R+61.2
Shelby County
2024R+60.2
St. Clair County
2024D+7.8
Stark County
2024R+45.6
Stephenson County
2024R+19.4
Tazewell County
2024R+26.6
Union County
2024R+43.2
Vermilion County
2024R+35.6
Wabash County
2024R+53.8
Warren County
2024R+25.1
Washington County
2024R+57.2
Wayne County
2024R+70.9
White County
2024R+59.4
Whiteside County
2024R+14.7
Will County
2024D+1.6
Williamson County
2024R+38.7
Winnebago County
2024D+0.6
Woodford County
2024R+42.0