Elementary School District · IL
O'Fallon Community Consolidated School District 90
O'Fallon Community Consolidated School District 90 is a elementary school district in Illinois with a community population of 32,272. The median household income is $113,170 and the median age is 38.5.
32,272
Population
855
People / sq mi
$113,170
Median Income
38.5
Median Age
O'Fallon Community Consolidated School District 90 covers 38 sq mi of land at 855.2 people per square mile.
Race & Ethnicity
| White | 71.6% |
| Black or African American | 0.0% |
| Asian | 46.8% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$113,170
Median Household Income
$55,869
Per Capita Income
4.5%
Poverty Rate
2.0%
Unemployment
Housing
$303,600
Median Home Value
$1,195
Median Rent
76.9%
Homeownership
Education Attainment
97.4%
High School+
52.0%
Bachelor's+
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State rankings
Frequently Asked Questions
O'Fallon Community Consolidated School District 90 serves a community with a population of 32,272 according to the latest Census ACS 5-Year estimates. This elementary school district is located in Illinois.
The median household income in O'Fallon Community Consolidated School District 90 is $113,170, with a per capita income of $55,869. The poverty rate is 4.5%.
O'Fallon Community Consolidated School District 90 is 71.6% White, 0.0% Black or African American, 46.8% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In O'Fallon Community Consolidated School District 90, 97.4% of adults have a high school diploma or higher, and 52.0% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in O'Fallon Community Consolidated School District 90 is $303,600, with a median rent of $1,195. The homeownership rate is 76.9%.
More from Illinois
Data for O'Fallon Community Consolidated School District 90 from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a elementary school district (GEOID: 1729760).
Educational attainment is the headline number in O'Fallon Community Consolidated School District 90: 52.0% of adults 25 and older have a four-year degree. O'Fallon Community Consolidated School District 90 is a school district in Illinois with a population of 32,272.
The typical household earns $113,170 a year, above the US median of $78,538. Poverty is relatively low for US school districts at 4.5%, below the national 12.4%. Median home value is $303,600, with typical rent around $1,195.
O'Fallon Community Consolidated School District 90 is among the best-educated US school districts: 52.0% of adults 25 and older hold a bachelor’s degree, above the national 35.0%.
The education numbers are the throughline: a college-heavy population in O'Fallon Community Consolidated School District 90 usually coincides with higher incomes and a workforce concentrated in professional and information industries.
Source: U.S. Census Bureau ACS, 2026.