Illinois Cities and Places

Chicago city overview: Name: Chicago city LSAD Code: 25 LSAD Description: city (suffix) State: Illinois County: Cook County, DuPage County Land Area: 227.73 sq mi (589.82 km²) Water Area: 6.80 sq mi (17.62 km²) Population Density: 12,059.84/sq mi (4,656.33/km²) FIPS code: 1714000 GNISfeature ID: 0428803 Website: chicago.gov Your Ultimate Chicago Map Collection: 1. Road Map of Chicago – Get around the city ... Read more

Aurora is a city in the Chicago metropolitan area. Located primarily in DuPage and Kane Counties, it is the second most populous city in Illinois, after Chicago, and the 144th most populous city in the United States. The population was 197,899 at the 2010 census, and was 180,542 at the 2020 census. Founded within Kane ... Read more

Joliet (/ˈdʒoʊliɛt, dʒoʊliˈɛt/ JOH-lee-et, joh-lee-ET) is a city in Will and Kendall counties in the U.S. state of Illinois, 35 miles (56 km) southwest of Chicago. It is the county seat of Will County. At the 2020 census, the city was the third-largest in Illinois, with a population of 150,362. Joliet city overview: Name: Joliet city ... Read more

Naperville (/ˈneɪpərˌvɪl/ NAY-pər-vil) is a city within the Chicago Metropolitan Area in DuPage and Will counties in the U.S. state of Illinois. It is a western suburb of Chicago located 28 miles (45 km) west of the city. Naperville was founded in 1831 by Joseph Naper. The city was established by the banks of the DuPage ... Read more

Rockford is a city in Winnebago County, Illinois, United States. Located in the far northern part of the state on the banks of the Rock River, Rockford is the county seat of Winnebago County (a small portion of the city is located in Ogle County). The largest city in Illinois outside of the Chicago metropolitan ... Read more

Elgin (/ˈɛldʒɪn/ EL-jin) is a city in Cook and Kane counties in the northern part of Illinois, United States. Elgin is located 35 mi (56 km) northwest of Chicago, along the Fox River. As of the 2020 Census, the city had a population of 114,797, the sixth-largest city in Illinois. Elgin city overview: Name: Elgin city LSAD ... Read more

Springfield is the capital of the U.S. state of Illinois and the county seat and largest city of Sangamon County. The city’s population was 114,394 at the 2020 census, which makes it the state’s seventh most-populous city, the second largest outside of the Chicago metropolitan area (after Rockford), and the largest in central Illinois. Approximately ... Read more

Peoria (/piˈɔːriə/ pee-OR-ee-ə) is a city in and county seat of Peoria County, Illinois, United States. Located on the Illinois River, the city had a population of 113,150 as of the 2020 census. It is the principal city of the Peoria Metropolitan Area in Central Illinois, consisting of the counties of Fulton, Marshall, Peoria, Stark, ... Read more

Addison is a village located in the Chicago Metropolitan Area, in DuPage County, Illinois, United States. The population was 36,942 at the 2010 census. Addison village overview: Name: Addison village LSAD Code: 47 LSAD Description: village (suffix) State: Illinois County: DuPage County Incorporated: 1884 Elevation: 702 ft (214 m) Total Area: 10.00 sq mi (25.90 km²) Land Area: 9.83 sq mi (25.46 km²) ... Read more

Addieville is a village in Washington County, Illinois, United States. The population at the time of the 2010 census was 252. Addieville village overview: Name: Addieville village LSAD Code: 47 LSAD Description: village (suffix) State: Illinois County: Washington County Elevation: 469 ft (143 m) Total Area: 0.99 sq mi (2.57 km²) Land Area: 0.99 sq mi (2.57 km²) Water Area: 0.00 sq mi (0.00 km²) Total ... Read more

Adair is an unincorporated community and census-designated place (CDP) in McDonough County, Illinois, United States. It is part of New Salem Township. As of the 2020 census, Adair had a population of 212. Adair was laid out in August 1870 under the name of “Reedyville”; though the name has never been officially changed, the location ... Read more

Abingdon is a city in Knox County, Illinois, United States, 50 miles (80 km) west of Peoria. It is part of the Galesburg Micropolitan Statistical Area. The city was first settled in 1828 and was incorporated in 1857. In june of 1907, the patent for the common spring-loaded mousetrap was awarded to William Hooker William Armstrong ... Read more