Unified School District · IL
Wilmington Community Unit School District 209U
Wilmington Community Unit School District 209U is a unified school district in Illinois with a community population of 8,687. The median household income is $76,806 and the median age is 42.6.
8,687
Population
91
People / sq mi
$76,806
Median Income
42.6
Median Age
Wilmington Community Unit School District 209U covers 95 sq mi of land at 91.0 people per square mile.
Race & Ethnicity
| White | 91.6% |
| Black or African American | 0.0% |
| Asian | 71.7% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$76,806
Median Household Income
$37,598
Per Capita Income
3.9%
Poverty Rate
2.9%
Unemployment
Housing
$235,800
Median Home Value
$1,030
Median Rent
70.8%
Homeownership
Education Attainment
91.7%
High School+
17.3%
Bachelor's+
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Frequently Asked Questions
Wilmington Community Unit School District 209U serves a community with a population of 8,687 according to the latest Census ACS 5-Year estimates. This unified school district is located in Illinois.
The median household income in Wilmington Community Unit School District 209U is $76,806, with a per capita income of $37,598. The poverty rate is 3.9%.
Wilmington Community Unit School District 209U is 91.6% White, 0.0% Black or African American, 71.7% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Wilmington Community Unit School District 209U, 91.7% of adults have a high school diploma or higher, and 17.3% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Wilmington Community Unit School District 209U is $235,800, with a median rent of $1,030. The homeownership rate is 70.8%.
More from Illinois
Data for Wilmington Community Unit School District 209U from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 1742630).
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.