Unified School District · IL
Chester Community Unit School District 139
Chester Community Unit School District 139 is a unified school district in Illinois with a community population of 9,136. The median household income is $84,821 and the median age is 43.4.
9,136
Population
70
People / sq mi
$84,821
Median Income
43.4
Median Age
Chester Community Unit School District 139 covers 131 sq mi of land at 69.7 people per square mile.
Race & Ethnicity
| White | 75.3% |
| Black or African American | 0.0% |
| Asian | 49.0% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$84,821
Median Household Income
$27,612
Per Capita Income
9.6%
Poverty Rate
1.7%
Unemployment
Housing
$121,800
Median Home Value
$764
Median Rent
81.2%
Homeownership
Education Attainment
79.5%
High School+
12.1%
Bachelor's+
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Frequently Asked Questions
Chester Community Unit School District 139 serves a community with a population of 9,136 according to the latest Census ACS 5-Year estimates. This unified school district is located in Illinois.
The median household income in Chester Community Unit School District 139 is $84,821, with a per capita income of $27,612. The poverty rate is 9.6%.
Chester Community Unit School District 139 is 75.3% White, 0.0% Black or African American, 49.0% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Chester Community Unit School District 139, 79.5% of adults have a high school diploma or higher, and 12.1% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Chester Community Unit School District 139 is $121,800, with a median rent of $764. The homeownership rate is 81.2%.
More from Illinois
Data for Chester Community Unit School District 139 from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 1709810).
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.