Centralia township, Illinois
Centralia township profile, demographic data, and geographic information.
Centralia township is a geographic entity located in Marion County, Illinois. As of official census estimates, it has a reported population of 13,816. The land area covers 35.08 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 13,816 | — | 2025 / Census |
| Median Age | 40.6 yrs | ±1.7 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 5,983 | ±227 | 2020-2024 / Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).
Housing & Real Estate Profile
| Housing Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Total Housing Units | 6,663 | ±228 |
| Occupied Housing Units | 5,983 | ±227 |
| Vacant Housing Units | 680 | ±160 |
| Median Home Value | $91,200 | ±$11,025 |
| Median Gross Rent | $808 | ±$68 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $51,444 | ±$2,627 |
| Per Capita Income | $28,783 | ±$1,665 |
| Poverty Rate | 20.8% | ±3.6% |
| Population Below Poverty Level | 2,819 | ±492 |
| Unemployment Rate | 9.8% | ±3% |
| Civilian Labor Force, Employed | 5,721 | ±292 |
| Broadband Internet Rate | 85.4% | ±2.6% |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
GUS Population: 13,839 (2024)
ID: 103046
|
Township | Official Local Government |
Contact: SUPERVISOR CEO TREASURER
148 S POPLAR ST, CENTRALIA IL 62801-3522
|
|
COUNTY OF MARION
GUS Population: 36,437 (2024)
ID: 204262
|
County | Official County Government |
Contact: CLERK - COUNTY COURTHOUSE
100 E MAIN STREET, SALEM IL 62881
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Special Education School Centralia | M | Centralia, IL | |
| Regular School Centralia | PK-08 | Centralia, IL | |
| Alternative School Centralia | 07-12 | Centralia, IL | |
| Regular School Centralia | 09-12 | Centralia, IL | |
| Regular School Centralia | 04-08 | Centralia, IL | |
| Regular School Centralia | PK | Centralia, IL | |
| Regular School Centralia | KG-08 | Centralia, IL | |
| Special Education School Centralia | M | Centralia, IL | |
| Regular School Centralia | 02-03 | Centralia, IL | |
| Special Education School Centralia | M | Centralia, IL |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
Kaskaskia College
|
College | 6.9 mi away | 27210 College Rd, Centralia, IL, 62801 |
6185453000
|
|
CENTRALIA REGIONAL LIBRARY DISTRICT
|
Library | 2.7 mi away | 515 EAST BROADWAY AVENUE, CENTRALIA, IL, 62801 |
(618) 532-5222
|
|
BRYAN-BENNETT LIBRARY
|
Library | 10.6 mi away | 315 SOUTH MAPLE STREET, SALEM, IL, 62881 |
(618) 548-3006
|
|
ASHLEY PUBLIC LIBRARY DISTRICT
|
Library | 14.1 mi away | 70 NORTH SECOND STREET, ASHLEY, IL, 62808 |
(618) 485-2295
|
|
PATOKA PUBLIC LIBRARY
|
Library | 16.7 mi away | 210 WEST BOND STREET, PATOKA, IL, 62875 |
(618) 432-5019
|
|
CASE-HALSTEAD PUBLIC LIBRARY
|
Library | 16.7 mi away | 550 SIXTH STREET, CARLYLE, IL, 62231 |
(618) 594-5210
|
|
C.E. BREHM MEMORIAL PUBLIC LIBRARY DISTRICT
|
Library | 16.8 mi away | 101 SOUTH SEVENTH STREET, MOUNT VERNON, IL, 62864 |
(618) 242-6322
|
|
NASHVILLE PUBLIC LIBRARY
|
Library | 20.0 mi away | 219 EAST ELM STREET, NASHVILLE, IL, 62263 |
(618) 327-3827
|
|
KINMUNDY PUBLIC LIBRARY
|
Library | 21.9 mi away | 111 SOUTH MONROE STREET, KINMUNDY, IL, 62854 |
(618) 547-3250
|
|
GERMANTOWN PUBLIC LIBRARY DISTRICT
|
Library | 24.9 mi away | 403 MUNSTER STREET, GERMANTOWN, IL, 62245 |
(618) 523-4820
|
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.
Climate & Weather Observations
NOAA Monthly Climate Normals
Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at IUKA 12 SW, IL US, located 6.1 miles from Centralia township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 38.8° | 20.9° | 29.8° | 2.87" | 3.4" |
| February | 44.0° | 24.3° | 34.2° | 2.58" | 4.5" |
| March | 54.2° | 33.0° | 43.6° | 3.90" | 0.5" |
| April | 66.2° | 43.6° | 54.9° | 4.81" | 0.0" |
| May | 75.2° | 53.5° | 64.4° | 5.20" | 0.0" |
| June | 84.1° | 62.3° | 73.2° | 4.08" | 0.0" |
| July | 87.5° | 65.8° | 76.7° | 3.85" | 0.0" |
| August | 86.9° | 63.7° | 75.3° | 3.54" | 0.0" |
| September | 81.0° | 55.8° | 68.4° | 3.29" | 0.0" |
| October | 69.3° | 44.7° | 57.0° | 3.45" | 0.0" |
| November | 54.9° | 34.2° | 44.5° | 4.09" | 0.4" |
| December | 43.2° | 25.5° | 34.4° | 3.02" | 3.2" |
Source: NOAA U.S. Climate Normals (1991–2020).
Local Weather Forecast
Weather forecast data is currently unavailable in the local cache.
Nearby Cities & Communities
Listing adjacent communities by spatial proximity (miles)
Proximity discovery
| Community Name | Classification | Distance | Population |
|---|---|---|---|
| Centralia city | City | 2.3 mi | — |
| Walnut Hill village | Village | 3.2 mi | — |
| Central City village | Village | 3.5 mi | — |
| Wamac city | City | 3.9 mi | — |
| Junction City village | Village | 4.9 mi | — |
| Irvington village | Village | 6.7 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1712112177. • Official Source Dataset →
- Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
- Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.