Cities & Towns in Illinois,
Illinois, state of the United States of America. As of 2020 state had an estimated population of 12,587,530 inhabitants. The state was created 205 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, The most populous city in Macon County, Illinois.
Des Plaines
Des Plaines, The most populous city in Cook County, Illinois.
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.
| City Name | Title | County | Population |
|---|---|---|---|
| Decatur | The most populous city in Macon County, Illinois. | Macon | 70,007 |
| Des Plaines | The most populous city in Cook County, Illinois. | Cook | 58,179 |
| Downers Grove | Village in Downers Grove, Lisle, and York Townships, DuPage County, Illinois, US | DuPage | 48,727 |
| DeKalb | The county seat of DeKalb County, Illinois. | DeKalb | 42,621 |
| Danville | City in and the county seat of Vermilion County, Illinois, United States | Vermilion | 30,106 |
| Dolton | Village in Cook County, Illinois, United States | Cook | 22,033 |
| Darien | Town in Connecticut | DuPage | 21,531 |
| Deerfield | Village in Illinois | Lake | 18,532 |
| Dixon | City and county seat of Lee County, Illinois, United States | Lee | 14,927 |
| Du Quoin | City in Illinois, USA | Perry | 5,591 |
| Deer Park | Village in United States of America | LaSalle | 4,199 |
| Dwight | Village in Illinois | Livingston | 3,984 |
| Dupo | City in Illinois, United States of America | Saint Clair | 3,845 |
| Dixmoor | Village in United States of America | Cook | 3,518 |
| Diamond | Village in Illinois, USA | Grundy | 2,484 |
| Davis Junction | City in Illinois, United States of America | Ogle | 2,344 |
| Dayton | Census-designated place in Illinois, USA | Henry | 2,258 |
| Depue | City in Illinois, United States of America | Bureau | 1,838 |
| Delavan | Township in Tazewell County, Illinois | Tazewell | 1,596 |
| De Soto | Village in Illinois, United States | Jackson | 1,503 |
| Dunlap | Village in Illinois, USA | Peoria | 1,440 |
| Durand | Village in the United States | Winnebago | 1,387 |
| Dale | Human settlement in Illinois, United States of America | Hamilton | 1,205 |
| Divernon | City in Illinois, United States of America | Sangamon | 1,096 |
| Danvers | Township in McLean County, Illinois | McLean | 1,093 |
| Dillon | Human settlement in United States of America | Tazewell | 957 |
| Downs | Village in Illinois, USA | McLean | 949 |
| Dallas City | Township in Hancock County, Illinois | Hancock | 859 |
| Dimmick | Township in LaSalle County, Illinois | LaSalle | 697 |
| Dongola | Human settlement in Illinois, United States of America | Union | 672 |
| Deer Creek | Village mostly in Tazewell County, Illinois, USA | Tazewell | 657 |
| Dahlgren | Township in Hamilton County, Illinois | Hamilton | 656 |
| Dalzell | City in Illinois, United States of America | Bureau | 653 |
| Davis | Village in Stephenson County, Illinois, USA | Stephenson | 616 |
| Dieterich | Village in the United States | Effingham | 593 |
| Danforth | Township in Iroquois County, Illinois | Iroquois | 542 |
| Dalton City | Village in Illinois, USA | Moultrie | 494 |
| Damiansville | Village in the United States | Clinton | 484 |
| Dawson | Village in the United States | Sangamon | 478 |
| Dakota | Town in Stephenson County, Illinois, United States | Stephenson | 459 |
| Dix | City in Illinois, United States of America | Jefferson | 428 |
| De Land | Village in Piatt County, Illinois, United States | Piatt | 423 |
| Denver | Human settlement in Illinois, United States of America | Hancock | 390 |
| Dowell | Village in Jackson County, Illinois, USA | Jackson | 385 |
| Darwin | Human settlement in Illinois, United States of America | Clark | 321 |
| Donovan | Village in Beaver Township, Iroquois County, Illinois, United States | Iroquois | 279 |
| Dunfermline | Village in Illinois, United States | Fulton | 275 |
| Durham | Unincorporated community in Illinois | Hancock | 251 |
| Duncan | Unincorporated community in Illinois | Stark | 250 |
| Donnellson | Human settlement in Illinois, United States of America | Montgomery | 196 |
| Du Bois | Township in Washington County, Illinois | Washington | 189 |
| De Witt | City in De Witt County, Illinois, United States | De Witt | 175 |
| Douglas | Unincorporated community in Illinois | Saint Clair | 160 |
| Dover | Village in Bureau County, Illinois, United States | Bureau | 151 |
| Dana | Village in United States of America | LaSalle | 149 |
| Degognia | Township in Jackson County, Illinois | Jackson | 141 |
| Dorchester | Village in Illinois | Macoupin | 137 |
| Detroit | Human settlement in Illinois, United States of America | Pike | 81 |
| Deer Grove | Town | Whiteside | 45 |
