Belleville Township High School District 201, Illinois
Belleville Township High School District 201 is a secondary (high school) district in St. Clair County, Illinois, for grades 9–12. About 104,251 people live in it (2020–2024 estimate). It covers 117 sq mi (303 km²) of land.
- Population, 2020–2024 estimate
- 104,251 ± 916
- Grades
- 9–12
- Type
- Secondary (high school) district
- County
- St. Clair County
- Land area
- 117 sq mi (303 km²)
- Median household income
- $72,853 ± $2,887
- Median home value
- $172,900 ± $4,708
- Water area
- 1.9 sq mi (4.91 km²)
- State
- Illinois
- Census code (GEOID)
- 1705640
- Coordinates (central point)
- 38.507841, -90.039462
These coordinates mark a central point for the district, not a school or an address. Population, income and home value: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 20, 2026.
Towns, townships and communities in Belleville Township High School District 201, largest first
- Belleville (city)41,370 people
- St. Clair Township35,601 people
- Fairview Heights (city)16,745 people
- Swansea (village)14,710 people
- Stookey Township9,018 people
- Millstadt Township6,616 people
- Millstadt (village)4,008 people
A town, township, city or borough is listed when at least half its land is in the district; a community, when its central point is. Near a district line, an address can belong to the district next door.
Bordering secondary (high school) districts, nearest first
- O'Fallon Township High School District 2039.8 mi northeast
- Freeburg Community High School District 7711 mi southeast
These share a boundary with Belleville Township High School District 201. Distances are straight lines between central points.
Before using this answer for enrollment
A district boundary doesn’t decide which school a student attends; the district’s attendance zones and rules do. Confirm the full address and grade with Belleville Township High School District 201 before you rely on it.
See its schools and enrollment on NCES ↗
Find the school district where you are now or find your town or township.