Collinsville is a city located mainly in Madison County and partially in St. Clair County, Illinois, United States. As of the 2020 census, the city had a population of 24,366. Collinsville is approximately 14 miles (23 km) east of St. Louis, Missouri, and is part of that city's Metro East area.
Midwest
Collinsville
Madison County, IL
Population
24,294
Walk Score
79 · Very Walkable
Median rent
$946
Median home value
$149,600
From Wikipedia. Released under CC BY-SA.
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