Most Populated City in Each County in Illinois

Can you name the most populated city in each of Illinois' 102 counties?

One city shows up twice

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Last updated: May 23, 2023

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First submitted	May 23, 2023
Times taken	76
Average score	43.1%
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County	City Pop.	City
Adams	39,131	Quincy
Alexander	1,659	Cairo
Bond	6,507	Greenville
Boone	25,134	Belvidere
Brown	2,026	Mount Sterling
Bureau	7,716	Princeton
Calhoun	763	Hardin
Carroll	2,909	Savanna
Cass	5,844	Beardstown
Champaign	89,114	Champaign
Christian	10,725	Taylorville
Clark	3,892	Marshall
Clay	4,753	Flora
Clinton	5,480	Breese
Coles	17,347	Charleston
Cook	2,746,388	Chicago
Crawford	7,187	Robinson
Cumberland	1,375	Neoga
DeKalb	40,486	DeKalb
DeWitt	6,913	Clinton
Douglas	4,654	Tuscola
DuPage	179,266	Aurora
Edgar	8,140	Paris
Edwards	1,921	Albion
Effingham	12,221	Effingham
Fayette	6,836	Vandalia
Ford	4,459	Paxton
Franklin	7,229	West Frankfort
Fulton	13,403	Canton
Gallatin	1,054	Shawneetown
Greene	2,443	Carrollton
Grundy	14,359	Morris
Hamilton	2,612	McLeansboro
Hancock	2,724	Hamilton
Hardin	966	Rosiclare
Henderson	1,120	Oquawka
Henry	12,361	Kewanee
Iroquois	4,622	Watseka
Jackson	21,741	Carbondale
Jasper	2,685	Newton
Jefferson	14,454	Mount Vernon
Jersey	8,289	Jerseyville
Jo Daviess	3,282	Galena
Johnson	1,473	Vienna
Kane	179,266	Aurora
Kankakee	23,922	Kankakee
Kendall	35,316	Oswego
Knox	29,712	Galesburg
Lake	88,614	Waukegan
LaSalle	18,749	Ottawa
Lawrence	4,195	Lawrenceville
Lee	15,380	Dixon
Livingston	11,359	Pontiac
Logan	13,058	Lincoln
Macon	69,646	Decatur
Macoupin	5,575	Carlinville
Madison	27,484	Granite City
Marion	12,033	Centralia
Marshall	2,315	Henry
Mason	2,905	Havana
Massac	5,903	Metropolis
McDonough	15,052	Macomb
McHenry	40,411	Crystal Lake
McLean	78,283	Bloomington
Menard	2,231	Petersburg
Mercer	3,620	Aledo
Monroe	11,062	Waterloo
Montgomery	6,726	Litchfield
Morgan	17,816	Jacksonville
Moultrie	4,387	Sullivan
Ogle	9,367	Rochelle
Peoria	111,666	Peoria
Perry	5,811	Du Quoin
Piatt	5,931	Monticello
Pike	4,193	Pittsfield
Pope	648	Golconda
Pulaski	657	Mounds
Putnam	1,336	Granville
Randolph	7,645	Chester
Richland	8,692	Olney
Rock Island	42,418	Moline
Saline	8,129	Harrisburg
Sangamon	113,394	Springfield
Schuyler	3,026	Rushville
Scott	1,538	Winchester
Shelby	4,609	Shelbyville
St. Clair	41,751	Belleville
Stark	1,278	Wyoming
Stephenson	23,650	Freeport
Tazewell	31,448	Pekin
Union	4,171	Anna
Vermilion	28,787	Danville
Wabash	6,804	Mount Carmel
Warren	8,778	Monmouth
Washington	3,057	Nashville
Wayne	4,778	Fairfield
White	4,796	Carmi
Whiteside	14,750	Sterling
Will	150,372	Joliet
Williamson	16,742	Marion
Winnebago	147,711	Rockford
Woodford	5,193	Eureka