Illinois Madison County St. Clair County
Collinsville
A city in Madison County, Illinois — population 24,217 as of 2020.
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Severe Thunderstorm Warning — Severe Thunderstorm Warning issued August 22 at 3:18AM CDT until August 22 at 3:45AM CDT by NWS St Louis MO
Overnight
70°F
Mostly Clear12% precip
Saturday
86°F
Sunny1% precip
Saturday Night
65°F
Mostly Clear1% precip
Sunday
84°F
Mostly Sunny
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Collinsville by the numbers
Population
24,217Population figure, 2020
Households & income
- Area
- 15.08 sq mi (39.05 km²), 0.19 sq mi water
- Median age
- 38.5
- Households
- 11,061
- Persons per household
- 2.2
- Median household income
- $67,612
- Median house value
- $163,600
Municipal office
- Office
- DIREC./TREAS.
- Address
- 125 S CENTER ST, COLLINSVILLE, IL 62234