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Collinsville Real Estate
Collinsville is located in Illinois. Collinsville, Illinois has a population of 24,527. Collinsville is less family-centric than the surrounding county with 24% households with children. The county percentage for households with children is 27%.
The median household income in Collinsville, Illinois is $45,611. The median household income for the surrounding county is $48,239 compared to the national median of $50,013. The median age of people living in Collinsville is 38.4 years.
The average high temperature in July is 89.6 degrees, with an average low temperature in January of 22.1 degrees. The annual precipitation is 40.21.
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