Centralia is a city in Marion County, Illinois, home to about 11,856 people across 8.2 square miles. Its ZIP code is 62801.
Homes sold for a median of $81 per square foot in the three months ending August 2026, a balanced market.
Mostly Centralia; also Central City and Wamac
Each card is that ZIP code’s whole market, including any part outside Centralia. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Centralia’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | St. Louis Lambert International Airport (STL)68 miles away |
|---|---|
| Closer regional airport | Scott AFB/Midamerica Airport (BLV)38 miles away |
| Nearest city of 250,000+ | St. Louis, MO60 miles away |
| Nearest city of 1 million+ | Chicago, IL241 miles away |
Straight-line distances from the center of Centralia; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Centralia had 12,182 residents in the 2020 census, down 14% since 2000.
It’s the 200th largest of 1,450 towns in Illinois by population.
Marion County grew from 30,446 residents in 1900 to 37,729 in 2020.
Marion County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 88°F in summer, and winter lows average 21°F. About 44.8 inches of rain and melted snow fall in a typical year, with about 12 inches of snow.
Source: NOAA 1991–2020 climate normals, Iuka 12 Sw, IL weather station (9 miles away).
11,370 jobs at 863 businesses in Marion County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
274 doctors and other health care providers list an office in Centralia.
Nearest hospitals
Providers with an office here
| Primary care doctors | 11 |
|---|---|
| Specialist doctors | 26 |
| Dentists | 6 |
| Nurse practitioners and physician assistants | 38 |
| Mental health providers | 168 |
| Physical and occupational therapists | 10 |
| Optometrists | 6 |
| Chiropractors | 9 |
| Pharmacies | 9 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (13 nearby)
Grocery stores (4 nearby)
Pharmacies (3 nearby)
Libraries (1 nearby)
Museums (1 nearby)
Counts are within about 2 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1853.
Colleges and universities
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Central City SD 133, Centralia SD 135, Raccoon Cons SD 1 and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Central City Elem SchoolCentralia | Pre-K–8 | 276 | Public | 1.7 mi |
| Centralia Pre-Kindergarten CtrCentralia | Pre-K | 11 | Public | 0.2 mi |
| Raccoon Cons Elem SchoolCentralia | Pre-K–8 | 204 | Public | 8.6 mi |
| Schiller Elem SchoolCentralia | Pre-K–1 | 270 | Public | 0.7 mi |
| Willow Grove Elem SchoolCentralia | Pre-K–8 | 127 | Public | 0.8 mi |
| Grand Prairie Elem SchoolCentralia | K–8 | 63 | Public | 6.4 mi |
| North Wamac Grade SchoolCentralia | K–8 | 122 | Public | 1.0 mi |
| Jordan Elem SchoolCentralia | 2–3 | 228 | Public | 2.1 mi |
| Centralia Jr High SchoolCentralia | 4–8 | 559 | Public | 0.7 mi |
| Safe School Program CentraliaCentralia | 6–12 | — | Alternative Education | 0.7 mi |
| Centralia Alternative SchoolCentralia | 7–12 | — | Alternative Education | 0.7 mi |
| Centralia High SchoolCentralia | 9–12 | 887 | Public | 1.8 mi |
| Bridges Learning CenterCentralia | — | — | Special Education | 1.3 mi |
| Hoyleton Education CenterCentralia | — | — | Special Education | 1.3 mi |
| Kaskaskia Education CenterCentralia | — | — | Special Education | 1.8 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St Mary SchoolCentralia | Pre-K–8 | 98 | Roman Catholic | 0.4 mi |
| Trinity Lutheran SchoolCentralia | Pre-K–8 | 35 | Lutheran Church–Missouri Synod | 1.1 mi |
| New Horizon Christian SchoolCentralia | K–8 | 154 | Christian (no specific denomination) | 3.1 mi |
| Christ Our Rock Lutheran High SchoolCentralia | 9–12 | 104 | Lutheran Church–Missouri Synod | 4.2 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Central City and Wamac.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.