Belleville
A city in St. Clair County, Illinois — population 40,536 as of 2020.
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Overnight
70°F
Mostly Clear5% precip
Saturday
87°F
Sunny2% precip
Saturday Night
65°F
Mostly Clear1% precip
Sunday
84°F
Sunny
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Belleville by the numbers
Population
40,536Population figure, 2020
Households & income
- Area
- 23.23 sq mi (60.17 km²), 0.26 sq mi water
- Median age
- 39.1
- Households
- 17,646
- Persons per household
- 2.2
- Median household income
- $63,535
- Median house value
- $141,300
Municipal office
- Office
- FINANCE DIRECTOR
- Address
- 101 S ILLINOIS ST, BELLEVILLE, IL 62220