O'Fallon Community Consolidated School District 90, Illinois

O'Fallon Community Consolidated School District 90 is an elementary school district in St. Clair County, Illinois, for grades Pre-K to 8. About 32,272 people live in it (2020–2024 estimate). It covers 37.7 sq mi (97.7 km²) of land.

ChicagoAurora
O'Fallon Community Consolidated School District 90 in Illinois
Central School District 104
O'Fallon Community Consolidated School District 90 and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
32,272 ± 941
Grades
Pre-K to 8
Type
Elementary school district
County
St. Clair County
Land area
37.7 sq mi (97.7 km²)
Median household income
$113,170 ± $5,507
Median home value
$303,600 ± $13,191
Water area
0.6 sq mi (1.55 km²)
State
Illinois
Census code (GEOID)
1729760
Coordinates (central point)
38.619937, -89.902941

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 O'Fallon Community Consolidated School District 90, largest first

  1. O'Fallon (city)32,262 people
  2. O'Fallon Township26,785 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 elementary school districts, nearest first

  1. Central School District 1043.2 mi southwest
  2. Shiloh Village School District 854.1 mi south
  3. Pontiac-William Holliday School District 1054.7 mi southwest
  4. Grant Community Consolidated School District 1106.2 mi west

These share a boundary with O'Fallon Community Consolidated School District 90. 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 O'Fallon Community Consolidated School District 90 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.