St. Clair County, Illinois, Real Estate

St. Clair County currently has 4 single family homes for sale with an average list price of $158,700 and 1 lot for sale with a list price of $5,000. The average annual property tax for St. Clair County is $3,110.25.

Current Homes for Sale

Cities

Cities
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Belleville

Belleville, Illinois, is a vibrant city located in St. Clair County, just 20 miles east of St. Louis, Missouri, blending small-town charm with urban accessibility. Founded in 1814, it serves as the county seat and boasts a rich history reflected in its well-preserved 19th-century architecture, including the historic Gustave Koerner House and the Emma Kunz House. With a population of around 42,000, Belleville offers a diverse community, thriving local businesses, and a lively downtown featuring unique shops, restaurants, and cultural events like the annual Art on the Square festival, ranked among the nation’s top art fairs. The city is also home to the National Shrine of Our Lady of the Snows, a significant spiritual destination, and benefits from its proximity to Scott Air Force Base, a major economic driver. Belleville’s blend of history, culture, and community spirit makes it a welcoming place to live and visit. ... Read more
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Cahokia

Cahokia, Illinois, is a historic village in St. Clair County, renowned for its ancient Native American heritage. It is home to the Cahokia Mounds State Historic Site, a UNESCO World Heritage Site and one of the most significant archaeological sites in North America. This prehistoric city, thriving from approximately 700 to 1400 CE, was once the largest urban center of the Mississippian culture, featuring over 100 earthen mounds, including the impressive Monks Mound. Today, Cahokia offers a glimpse into this ancient civilization through its well-preserved mounds, a visitor center with educational exhibits, and scenic trails, attracting history enthusiasts and tourists alike. With a population of around 12,000, modern Cahokia blends its rich historical legacy with small-town charm, situated just minutes from St. Louis, Missouri. ... Read more
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East St. Louis

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Fairview Heights

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Freeburg

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Mascoutah

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O'Fallon

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