Illinois Clinton County Marion County
Centralia
A city in Clinton County, Illinois — population 12,142 as of 2020.
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Tonight
68°F
Mostly Clear11% precip
Saturday
85°F
Sunny8% precip
Saturday Night
63°F
Clear1% precip
Sunday
83°F
Sunny
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Centralia by the numbers
Population
12,142Population figure, 2020
Households & income
- Area
- 8.2 sq mi (21.24 km²), 1.03 sq mi water
- Median age
- 39.1
- Households
- 5,094
- Persons per household
- 2.2
- Median household income
- $47,807
- Median house value
- $89,600
Municipal office
- Office
- TREASURER
- Address
- 222 S POPLAR ST, CENTRALIA, IL 62801