Cahokia Community Unit School District 187, Illinois
Cahokia Community Unit School District 187 is a unified school district in St. Clair County, Illinois, for grades Pre-K to 12. About 15,292 people live in it (2020–2024 estimate). It covers 19.1 sq mi (49.5 km²) of land.
- Population, 2020–2024 estimate
- 15,292 ± 678
- Grades
- Pre-K to 12
- Type
- Unified school district
- County
- St. Clair County
- Land area
- 19.1 sq mi (49.5 km²)
- Median household income
- $33,063 ± $3,254
- Median home value
- $54,100 ± $5,722
- Water area
- 1.19 sq mi (3.08 km²)
- State
- Illinois
- Census code (GEOID)
- 1708040
- Coordinates (central point)
- 38.566589, -90.155958
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 Cahokia Community Unit School District 187, largest first
- Centreville Township19,674 people
- Cahokia Heights (city)17,106 people
- Sauget (village)307 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 unified school districts, nearest first
- Dupo Community Unit School District 1963.7 mi southwest
- East St. Louis School District 1894.4 mi northeast
- St. Louis City School District, Missouri6.8 mi northwest
These share a boundary with Cahokia Community Unit School District 187. 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 Cahokia Community Unit School District 187 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.