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St. Clair County is the ninth most populous county in Illinois. Located directly east of St. Louis, the county is part of the Metro East region of the Greater St. Louis metropolitan area in southern Illinois.
3 days ago · Contractors, Builders, Realtors, Appraisers and more. These are the people who service the homeowners and residents of St. Clair County and the County has multiple resources to help. Maps, assessment information, codes & regulations, and more can be found here.
Belleville is a city and the county seat of St. Clair County, Illinois, United States. The population was 42,404 at the 2020 census, making it the most populated city in the Metro East region of Greater St. Louis, and in all of Southern Illinois.
Located in the heart of the Midwest, St. Clair County boasts a rich history and a diverse community. Our county is home to a variety of thriving industries, including healthcare, manufacturing, and transportation.
About. In 2022, St. Clair County, IL had a population of 257k people with a median age of 39.4 and a median household income of $68,915. Between 2021 and 2022 the population of St. Clair County, IL declined from 258,597 to 256,791, a −0.698% decrease and its median household income grew from $63,017 to $68,915, a 9.36% increase.
St. Clair County is the oldest county in the U.S. state of Illinois. According to the 2020 census, it had a population of 257,400, [1] making it the ninth-most populous county in Illinois. Its county seat is Belleville. [2] . The county was founded in 1790, before the establishment of Illinois as a state. References [ change | change source]
Jul 1, 2022 · St. Clair County, Illinois. QuickFacts provides statistics for all states and counties. Also for cities and towns with a population of 5,000 or more.
