Collinsville, IL
Population 24,126 · Illinois
About Collinsville, IL
Collinsville is a mid-sized city in Illinois with a population of 24,126 residents. The median household income is $65,170 per year, which is near the national average. The median age in Collinsville is 39.7 years.
Housing in Collinsville has a median home value of $157,700 and median monthly rent of $979. Of the 11,779 total housing units, the majority are owner-occupied, with 7,205 owner-occupied and 3,906 renter-occupied units.
The unemployment rate in Collinsville is 4.5% and the poverty rate is 13.0%. 29.9% of residents hold a bachelor's degree or higher. The average commute time is 24.7 minutes.
Cost of Living in Collinsville, IL
Compared to national averages, Collinsville has a median household income of $65,170 (13% below the national median of $75,149). Home values average $157,700, which is 36% below the national median. Monthly rent at $979 is 16% below the US average of $1,163. Within Illinois, Collinsville's income is 13% below the state average of $75,072, and home values are 5% below the state median of $165,779.
Why Live in Collinsville, IL?
Collinsville offers affordable housing with a median home value of $157,700, below the US average of $244,900, and rent that’s lower than the national average at $979/month, and short commute times averaging just 24.7 minutes.
Potential considerations include median household income ($65,170) that falls below the national average. However, Collinsville’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Collinsville has a population of 24,126 with a median age of 39.7 years. Compare Collinsville with other cities to see how it stacks up, or explore all cities in Illinois.
Similar Cities Near Collinsville
Cities in Illinois with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Westmont | 24,201 | $83,622 | $369,100 | Compare |
| South Elgin | 23,984 | $123,744 | $296,100 | Compare |
| Elmwood Park | 23,982 | $84,121 | $325,000 | Compare |
| Rolling Meadows | 23,981 | $100,424 | $299,700 | Compare |
| Kankakee | 24,384 | $45,119 | $105,500 | Compare |
| Zion | 24,466 | $62,574 | $179,100 | Compare |
| Belvidere | 24,510 | $62,462 | $153,100 | Compare |
| Melrose Park | 24,513 | $64,740 | $265,000 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Illinois
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Collinsville
What is the population of Collinsville, IL?
The population of Collinsville, IL is 24,126 according to the latest Census data.
What is the median household income in Collinsville?
The median household income in Collinsville, IL is $65,170 per year.
What is the median home value in Collinsville?
The median home value in Collinsville, IL is $157,700.
What is the average rent in Collinsville?
The median monthly rent in Collinsville, IL is $979.
What is the unemployment rate in Collinsville?
The unemployment rate in Collinsville, IL is 4.5%.