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Centralia, IL
City in Marion County, Illinois.
Population
11,856
Land area
8.2sq mi
People per sq mi
1,446
ZIP codes
0
Centralia and its ZIP codes
Centralia at a glance
- Centralia is about 6.3 times as dense as Illinois as a whole.
- By population, it ranks 201st among 1,445 cities and towns in Illinois.
- The median household income is $47,807, 43% below the Illinois median of $83,390.
- A typical owner-occupied home is valued at $89,600 (66% below Illinois) and median rent is $765 a month.
Local data for Centralia, IL
Counts from official public data
Housing and community stats
Centralia, IL, American Community Survey 2020-2024
Median household income
$47,807
Poverty rate
24.3%
Median home value
$89,600
Median rent
$765/mo
Homeownership
62.5%
Bachelor's or higher
16.4%
Median age
39.1
Average commute
19.0 min
Largest reported origins and ancestries: German Americans (2,789), Irish Americans (1,592), Italian Americans (419).
Economy and federal money
Jobs, pay, income and spending are for Marion County. PPP loans are for Centralia.
Unemployment rate
4.2%
Sep 2026, -0.8 pts in a year
Average annual pay
$51,566
12,335 jobs, 2025
Income per person
$56,066
BEA, 2024
Federal spending
$258M
FY 2026, $6,847 per person
How people get to work
Centralia, IL, workers 16 and older. American Community Survey 5-year estimates
- Drove alone77.1%
- Carpooled13.1%
- Public transit0.4%
- Walked2.7%
- Bicycle0.2%
- Taxi, ride-hailing, motorcycle or other0.6%
- Worked from home6.0%
Average one-way commute: 19.0 minutes for people who do not work from home.
Environment and hazard risk
Centralia, IL, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: earthquake
Storm events since 1996
427
Countywide, mostly thunderstorm wind
Flood insurance policies
18
0.1% of homes, county
July high / Jan low
88° / 21°F
44.7 inches of rain a year
Hazards, floods and storm historyCheck a flood zone1 historic places
Health statistics
Share of adults in Centralia, IL, CDC PLACES estimates
Obesity
41.4%
U.S. 33.3% +8.1 pts
Diabetes
15.2%
U.S. 12.1% +3.1 pts
Smoking
18.5%
U.S. 12.8% +5.7 pts
Uninsured (18-64)
9.8%
U.S. 11.1% -1.3 pts
Cities near Centralia
| Name | Distance | Land area (sq mi) |
|---|---|---|
| WamacCity | 1 mi | 1.4 |
| Central CityVillage | 2.9 mi | 0.6 |
| Junction CityVillage | 4.8 mi | 0.7 |
| IrvingtonVillage | 4.9 mi | 1 |
| Walnut HillVillage | 5.1 mi | 0.4 |
| SandovalVillage | 7.1 mi | 1 |
| HoffmanVillage | 7.8 mi | 0.5 |
| OdinVillage | 8.6 mi | 1 |
| HoyletonVillage | 8.7 mi | 0.8 |
| RichviewVillage | 9.3 mi | 1.1 |
| HueyVillage | 11 mi | 0.2 |
| DixVillage | 11 mi | 2.1 |
| KellVillage | 12 mi | 1 |
| AshleyCity | 13 mi | 1.1 |
| SalemCity | 13 mi | 7 |
| WoodlawnVillage | 14 mi | 0.9 |
Frequently asked questions
- What county is Centralia, IL in?
- Centralia is in Marion County, Illinois.
- What is the population of Centralia, IL?
- About 11,856 people live in Centralia, based on American Community Survey 5-year estimates.
- What cities are near Centralia?
- Nearby places include Wamac (1 mi), Central City (2.9 mi), Junction City (4.8 mi), Irvington (4.9 mi), Walnut Hill (5.1 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023