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.
Preston Heights, Census designated place
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.
List of cities, towns, neighborhoods & other populated places in Illinois.
City Name | Title | County | Population |
---|---|---|---|
Preston Heights | Census designated place | Will | 2,575 |
Trenton | City in Illinois | Clinton | 2,566 |
Sheridan | Village in Illinois, United States | LaSalle | 2,515 |
Mount Sterling | Township in Brown County, Illinois | Brown | 2,495 |
Diamond | Village in Illinois, USA | Grundy | 2,484 |
Galva | City in Illinois, USA | Henry | 2,449 |
Wayne | Village in DuPage and Kane counties, Illinois, United States | DuPage | 2,446 |
Otto | Township in Kankakee County, Illinois | Kankakee | 2,445 |
Kenilworth | Village in Illinois | Cook | 2,442 |
Fairmont City | Town in Illinois, United States | Saint Clair | 2,439 |
Mackinaw | City in Tazewell County, Illinois, United States of America | Tazewell | 2,430 |
Carthage | City in and county seat of Hancock County, Illinois, United States | Hancock | 2,419 |
Villa Grove | City in Douglas County, Illinois, United States | Douglas | 2,414 |
Thornton | Village in Cook County, Illinois, USA | Cook | 2,367 |
Carrollton | Township in Greene County, Illinois | Greene | 2,352 |
Altamont | City in Effingham County, Illinois, United States | Effingham | 2,350 |
Belmont | Human settlement in Illinois, United States of America | DuPage | 2,346 |
Davis Junction | City in Illinois, United States of America | Ogle | 2,344 |
Wauponsee | Unincorporated community in Illinois | Grundy | 2,329 |
Ina | Village in Jefferson County, United States | Jefferson | 2,279 |
White Hall | City in Illinois | Greene | 2,269 |
Dayton | Census-designated place in Illinois, USA | Henry | 2,258 |
Burgess | Unincorporated community in Illinois | Mercer | 2,249 |
Henry | City in Illinois | Marshall | 2,230 |
Petersburg | City in Menard County, Illinois | Saint Clair | 2,207 |
Elwood | City in Illinois, United States of America | Will | 2,207 |
Arthur | Village in Illinois, United States | Douglas | 2,192 |
Petersburg | City in Menard County, Illinois | Menard | 2,190 |
Farmington | City in the northeast corner of Fulton County, Illinois, United States | Fulton | 2,181 |
Seneca | Village in Illinois | LaSalle | 2,179 |
Sangamon | Unincorporated community in Illinois | Macon | 2,173 |
Polo | Town in Illinois, USA | Ogle | 2,158 |
Aviston | Village in United States of America | Clinton | 2,156 |
Wesley | Township in Will County, Illinois | Tazewell | 2,130 |
Harlem | Township in Winnebago County, Illinois, United States | Winnebago | 2,114 |
Tremont | City in Itawamba County, Mississippi, United States of America | Tazewell | 2,114 |
Lewistown | High school in Lewistown, Fulton County, Illinois | Fulton | 2,096 |
Oakbrook Terrace | City in DuPage County, Illinois | DuPage | 2,094 |
Mason City | Township in Mason County, Illinois | Mason | 2,088 |
Nokomis | City in Illinois, United States | Montgomery | 2,077 |
Willowbrook | Town in Will County, Illinois, United States | Will | 2,076 |
Cambridge | Village in Henry County, Illinois, United States | Henry | 2,051 |
Lake Summerset | Census designated place | Winnebago | 2,048 |
Hinckley | Illinois | DeKalb | 2,042 |
Bellevue | Village in Illinois, United States | Peoria | 2,037 |
Lexington | City in McLean County, Illinois, United States | McLean | 2,020 |
Oakwood Hills | City in Illinois, United States of America | McHenry | 2,011 |
Elmwood | City in Peoria County, Illinois, United States | Peoria | 1,995 |
Cairo | City in Illinois, United States | Alexander | 1,989 |
Utica | Village also known as Utica, in LaSalle County, Illinois | LaSalle | 1,988 |
South Roxana | City in Illinois, United States of America | Madison | 1,986 |
Girard | City in Illinois | Macoupin | 1,981 |
Hartland | Human settlement in Illinois, United States of America | McHenry | 1,968 |
Hodgkins | Village in United States of America | Cook | 1,967 |
Brighton | Village in Macoupin County, Illinois, United States | Macoupin | 1,967 |
Roanoke | Village in Illinois, United States | Woodford | 1,966 |
Minonk | City in Woodford County, Illinois, United States | Woodford | 1,948 |
Farmer City | City in De Witt County, Illinois, United States | De Witt | 1,936 |
Carbon Cliff | City in Illinois, United States of America | Rock Island | 1,932 |
Pecatonica | City in Illinois, United States of America | Winnebago | 1,926 |
Avena | Unincorporated community in Illinois | Fayette | 1,924 |
Prairie Grove | Village in Illinois | McHenry | 1,920 |
Prophetstown | City in Whiteside County, Illinois, United States | Whiteside | 1,919 |
Mount Olive | City in Illinois | Macoupin | 1,911 |
Fisher | Village in Champaign County, Illinois, United States | Champaign | 1,911 |
Catlin | Village in Vermilion County, Illinois | Vermilion | 1,899 |
Richmond | Place in Illinois United States of America | McHenry | 1,896 |
Athens | City in Menard County, Illinois, United States | Menard | 1,893 |
Steeleville | Village in Illinois, United States | Randolph | 1,890 |
Albion | City in and county seat of Edwards County, Illinois | Edwards | 1,889 |
Phoenix | Village in United States of America | Cook | 1,884 |
Rockdale | City in Illinois, United States of America | Will | 1,884 |
Alorton | City in Illinois, United States of America | Saint Clair | 1,880 |
Crystal Lawns | Census designated place | Will | 1,872 |
New Athens | Village in St. | Saint Clair | 1,865 |
Mazon | Village in the United States | Grundy | 1,860 |
Somonauk | City in Illinois, United States of America | DeKalb | 1,860 |
Reading | Township in Livingston County, Illinois | Livingston | 1,860 |
Venice | City in Illinois, United States | Madison | 1,852 |
Depue | City in Illinois, United States of America | Bureau | 1,838 |
Sesser | City in Franklin County, Illinois, United States | Franklin | 1,837 |
Merrionette Park | Village in United States of America | Cook | 1,835 |
Hudson | Village in McLean County, Illinois, United States | McLean | 1,810 |
Hollis | Township in Peoria County, Illinois | Peoria | 1,803 |
Marissa | Human settlement in Illinois, United States of America | Saint Clair | 1,785 |
Orion | Village in Henry County, Illinois, United States | Henry | 1,776 |
Hampton | Human settlement in Rock Island County, Illinois, United States of America | Rock Island | 1,738 |
Chenoa | City in Illinois | McLean | 1,717 |
Kirkland | Village in DeKalb County, Illinois, United States | DeKalb | 1,717 |
Lacon | City in Marshall County, Illinois, United States | Marshall | 1,713 |
Stockton | City in Illinois | Jo Daviess | 1,709 |
Maroa | City in Illinois, USA | Macon | 1,700 |
Cazenovia | Township in Woodford County, Illinois | Woodford | 1,688 |
Brooklyn | Village in Illinois, United States | Saint Clair | 1,688 |
Buena Vista | Township in Schuyler County, Illinois | Saline | 1,684 |
Moweaqua | City in Illinois, United States of America | Shelby | 1,684 |
Buckhart | Unincorporated community in Illinois | Sangamon | 1,679 |
Teutopolis | City in Illinois, United States of America | Effingham | 1,677 |
Jonesboro | City in Union County, Illinois, United States | Union | 1,677 |
Bridgeport | City in Illinois, United States | Lawrence | 1,677 |