Unified School District · IL
Columbia Community Unit School District 4
Columbia Community Unit School District 4 is a unified school district in Illinois with a community population of 13,590. The median household income is $108,573 and the median age is 41.7.
13,590
Population
278
People / sq mi
$108,573
Median Income
41.7
Median Age
Columbia Community Unit School District 4 covers 49 sq mi of land at 278.4 people per square mile.
Race & Ethnicity
| White | 96.3% |
| Black or African American | 0.0% |
| Asian | 53.7% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$108,573
Median Household Income
$51,218
Per Capita Income
4.2%
Poverty Rate
1.0%
Unemployment
Housing
$302,500
Median Home Value
$1,128
Median Rent
84.8%
Homeownership
Education Attainment
97.2%
High School+
47.6%
Bachelor's+
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Frequently Asked Questions
Columbia Community Unit School District 4 serves a community with a population of 13,590 according to the latest Census ACS 5-Year estimates. This unified school district is located in Illinois.
The median household income in Columbia Community Unit School District 4 is $108,573, with a per capita income of $51,218. The poverty rate is 4.2%.
Columbia Community Unit School District 4 is 96.3% White, 0.0% Black or African American, 53.7% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Columbia Community Unit School District 4, 97.2% of adults have a high school diploma or higher, and 47.6% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Columbia Community Unit School District 4 is $302,500, with a median rent of $1,128. The homeownership rate is 84.8%.
More from Illinois
Data for Columbia Community Unit School District 4 from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 1710740).
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.
The methodology behind every numeric value on this page is publicly documented on the the U.S. Census Bureau ACS and decennial files portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. states, metros, cities, and ZIPs. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: U.S. Census Bureau ACS, 2026.