Unified School District · IL
Cahokia Community Unit School District 187
Cahokia Community Unit School District 187 is a unified school district in Illinois with a community population of 15,292. The median household income is $33,063 and the median age is 28.9.
15,292
Population
800
People / sq mi
$33,063
Median Income
28.9
Median Age
Cahokia Community Unit School District 187 covers 19 sq mi of land at 800.0 people per square mile.
Race & Ethnicity
| White | 24.9% |
| Black or African American | 0.0% |
| Asian | 16.5% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$33,063
Median Household Income
$18,525
Per Capita Income
32.2%
Poverty Rate
4.9%
Unemployment
Housing
$54,100
Median Home Value
$953
Median Rent
51.8%
Homeownership
Education Attainment
87.2%
High School+
13.0%
Bachelor's+
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Frequently Asked Questions
Cahokia Community Unit School District 187 serves a community with a population of 15,292 according to the latest Census ACS 5-Year estimates. This unified school district is located in Illinois.
The median household income in Cahokia Community Unit School District 187 is $33,063, with a per capita income of $18,525. The poverty rate is 32.2%.
Cahokia Community Unit School District 187 is 24.9% White, 0.0% Black or African American, 16.5% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Cahokia Community Unit School District 187, 87.2% of adults have a high school diploma or higher, and 13.0% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Cahokia Community Unit School District 187 is $54,100, with a median rent of $953. The homeownership rate is 51.8%.
More from Illinois
Data for Cahokia Community Unit School District 187 from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 1708040).
The this entity record above pulls directly from the U.S. Census Bureau ACS and decennial files. What follows is the per-entity context — how this entity sits in the broader U.S. population demographics distribution and which underlying factors drive the headline numbers.
Every number on this page links back to the U.S. Census Bureau ACS and decennial files; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. states, metros, cities, and ZIPs with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: U.S. Census Bureau ACS, 2026.