Belleville is a city in St. Clair County, Illinois, home to about 41,370 people across 23 square miles. Its ZIP codes are 62220 and 62223, and parts of 62221, 62226 and 62243 are in Belleville too.
Homes sold for a median of $114 per square foot across 2 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Mostly Belleville; also Smithton
Mostly Belleville; also Swansea
Mostly Shiloh; part is in Belleville
Mostly Swansea; part is in Belleville
Mostly Freeburg; part is in Belleville
Each card is that ZIP code’s whole market, including any part outside Belleville. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Belleville’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)26 miles away |
|---|---|
| Closer regional airport | Scott AFB/Midamerica Airport (BLV)9 miles away |
| Nearest city of 250,000+ | St. Louis, MO16 miles away |
| Nearest city of 1 million+ | Chicago, IL259 miles away |
Straight-line distances from the center of Belleville; 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.
Belleville had 42,404 residents in the 2020 census, up 2% since 2000.
It’s the 37th largest of 1,450 towns in Illinois by population.
St. Clair County grew from 86,685 residents in 1900 to 257,400 in 2020.
St. Clair County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 90°F in summer, and winter lows average 24°F. About 43.4 inches of rain and melted snow fall in a typical year, with about 11 inches of snow.
Source: NOAA 1991–2020 climate normals, Belleville Siu Rsch, IL weather station (8 miles away).
72,871 jobs at 4,973 businesses in St. Clair County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2022 (private employers; jobs counted where people work).
437 doctors and other health care providers list an office in Belleville’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 41 |
|---|---|
| Specialist doctors | 83 |
| Dentists | 22 |
| Nurse practitioners and physician assistants | 62 |
| Mental health providers | 106 |
| Physical and occupational therapists | 103 |
| Optometrists | 4 |
| Chiropractors | 16 |
| Pharmacies | 7 |
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 (27 nearby)
Grocery stores (5 nearby)
Pharmacies (5 nearby)
Libraries (2 nearby)
Museums (3 nearby)
Theaters and performance venues
Counts are within about 3.5 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 1814.
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 Belle Valley SD 119, Harmony Emge SD 175, Belleville SD 118 and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Belle Valley SchoolBelleville | Pre-K–8 | 997 | Public | 3.6 mi |
| Ellis Elem SchoolBelleville | Pre-K–3 | 382 | Public | 4.2 mi |
| Jefferson Elem SchoolBelleville | Pre-K–6 | 293 | Public | 1.2 mi |
| Signal Hill Elem SchoolBelleville | Pre-K–8 | 291 | Public | 5.0 mi |
| Washington SchoolBelleville | Pre-K | 192 | Public | 1.3 mi |
| Whiteside Elem SchoolBelleville | Pre-K–4 | 680 | Public | 2.4 mi |
| Abraham Lincoln Elem SchoolBelleville | K–6 | 542 | Public | 1.7 mi |
| Douglas Elem SchoolBelleville | K–6 | 233 | Public | 1.7 mi |
| Franklin Elem SchoolBelleville | K–6 | 172 | Public | 0.6 mi |
| Henry Raab Elem SchoolBelleville | K–6 | 154 | Public | 1.0 mi |
| Roosevelt Elem SchoolBelleville | K–6 | 272 | Public | 1.4 mi |
| Union Elem SchoolBelleville | K–6 | 432 | Public | 1.1 mi |
| Westhaven ElementaryBelleville | K–6 | 313 | Public | 2.4 mi |
| Harmony Intermediate CenterBelleville | 4–6 | 207 | Public | 3.8 mi |
| Saint Clair Co ROE Safe SchoolBelleville | 5–12 | — | Alternative Education | 0.7 mi |
| Whiteside Middle SchoolBelleville | 5–8 | 475 | Public | 3.1 mi |
| Central Jr High SchoolBelleville | 7–8 | 308 | Public | 2.5 mi |
| Emge Junior High SchoolBelleville | 7–8 | 146 | Public | 3.8 mi |
| St Clair Co Juv Detention CenterBelleville | 7–12 | — | Alternative Education | 5.4 mi |
| West Jr High SchoolBelleville | 7–8 | 364 | Public | 1.7 mi |
| Belleville High School-EastBelleville | 9–12 | 2,600 | Public | 2.4 mi |
| Belleville High School-WestBelleville | 9–12 | 2,118 | Public | 2.4 mi |
| Belleville Twp HS-Night/Alt SchBelleville | 9–12 | — | Alternative Education | 2.4 mi |
| Ctr for Acad and VOCNL Excel CAVEBelleville | 9–12 | — | Alternative Education | 3.9 mi |
| PalsBelleville | — | — | Special Education | 0.7 mi |
| Pathways SchoolBelleville | — | — | Special Education | 3.5 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Asp2 Steam Academy IncBelleville | Pre-K–3 | 40 | Nonsectarian | 0.8 mi |
| Belleville Christian SchoolBelleville | Pre-K–K | 1 | Other religious | 2.6 mi |
| Blessed Sacrament SchoolBelleville | Pre-K–8 | 142 | Roman Catholic | 4.6 mi |
| Governor French AcademyBelleville | Pre-K–12 | 73 | Nonsectarian | 0.8 mi |
| Notre Dame Academy of BellevilleBelleville | Pre-K–8 | 67 | Roman Catholic | 0.8 mi |
| Our Lady Queen of Peace SchoolBelleville | Pre-K–8 | 139 | Roman Catholic | 2.7 mi |
| St Teresa Catholic SchoolBelleville | Pre-K–8 | 153 | Roman Catholic | 1.2 mi |
| Zion Lutheran SchoolBelleville | Pre-K–8 | 256 | Lutheran Church–Missouri Synod | 2.1 mi |
| Calvary Baptist AcademyBelleville | 4–7 | 3 | Baptist | 1.3 mi |
| Althoff Catholic High SchoolBelleville | 9–12 | 335 | Roman Catholic | 2.6 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 Swansea, Shiloh, Freeburg, Smithton and Rentchler.
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.