Cities & Towns in Illinois,

Illinois, Located in the Midwest, it is home to Chicago, the third-largest city in the US. The state is a major transportation hub and an agricultural leader, known for its vast corn and soybean fields. It also plays a significant role in manufacturing and finance.. As of 2020 state had an estimated population of 12,587,530 inhabitants. The state was created 207 years ago in 1818. Its capital city is Springfield.

There are 59 city/town in Illinois, . The largest city of Illinois is Decatur with a population of 70,007. Other cities include, Des Plaines population 58,179, Downers Grove population 48,727, DeKalb population 42,621, Danville population 30,106

Decatur
Decatur

Decatur, The most populous city in Macon County, Illinois.

Des Plaines
Des Plaines

Des Plaines, The most populous city in Cook County, Illinois.

Downers Grove
Downers Grove

Downers Grove, Village in Downers Grove, Lisle, and York Townships, DuPage County, Illinois, US

From the busy streets of Chicago to the river towns dotting its southern border, Illinois offers a variety of urban attractions and rural charm within its 57,000 square miles. Home to over 12.7 million residents, notable destinations in Illinois include:

Chicago - The largest city in the Midwest, Chicago dazzles with world-class museums like the Art Institute of Chicago, iconic sports teams and venues, deep dish pizza, and stunning lakefront skyline views.

Springfield - Illinois’ capital city, Springfield provides history buffs with Abraham Lincoln sites like his Home and Tomb along with expansive state government buildings.

Galena - Nestled near the Mississippi River, Galena is a beautifully preserved 19th century town with scenic vistas. Its Victorian-era downtown offers shopping, tours, and winery tastings.

Nauvoo - Founded by Mormons in the 1840s, Nauvoo retains its fascinating religious history. Historic homes and buildings like the rebuilt Nauvoo Temple transport visitors back in time.

Champaign-Urbana - Home to the University of Illinois, this twin college town offers innovative dining, cultural events, sports, and entertainment catering to students.

From the big city lights of Chicago to historic small towns, Illinois offers the best of Midwestern metropolitan areas alongside rural escape. Its rivers, lakes, and prairies provide scenic backdrops to favorite destinations.

All Illinois Cities (Aphebetical)

List of cities, towns, neighborhoods & other populated places in Illinois.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z all
City Name County Population
Decatur Macon 70,007
Des Plaines Cook 58,179
Downers Grove DuPage 48,727
DeKalb DeKalb 42,621
Danville Vermilion 30,106
Dolton Cook 22,033
Darien DuPage 21,531
Deerfield Lake 18,532
Dixon Lee 14,927
Du Quoin Perry 5,591
Deer Park LaSalle 4,199
Dwight Livingston 3,984
Dupo Saint Clair 3,845
Dixmoor Cook 3,518
Diamond Grundy 2,484
Davis Junction Ogle 2,344
Dayton Henry 2,258
Depue Bureau 1,838
Delavan Tazewell 1,596
De Soto Jackson 1,503
Dunlap Peoria 1,440
Durand Winnebago 1,387
Dale Hamilton 1,205
Divernon Sangamon 1,096
Danvers McLean 1,093
Dillon Tazewell 957
Downs McLean 949
Dallas City Hancock 859
Dimmick LaSalle 697
Dongola Union 672
Deer Creek Tazewell 657
Dahlgren Hamilton 656
Dalzell Bureau 653
Davis Stephenson 616
Dieterich Effingham 593
Danforth Iroquois 542
Dalton City Moultrie 494
Damiansville Clinton 484
Dawson Sangamon 478
Dakota Stephenson 459
Dix Jefferson 428
De Land Piatt 423
Denver Hancock 390
Dowell Jackson 385
Darwin Clark 321
Donovan Iroquois 279
Dunfermline Fulton 275
Durham Hancock 251
Duncan Stark 250
Donnellson Montgomery 196
Du Bois Washington 189
De Witt De Witt 175
Douglas Saint Clair 160
Dover Bureau 151
Dana LaSalle 149
Degognia Jackson 141
Dorchester Macoupin 137
Detroit Pike 81
Deer Grove Whiteside 45
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County Cities on Map (59)