Unified School District · IL
Vandalia Community Unit School District 203
Vandalia Community Unit School District 203 is a unified school district in Illinois with a community population of 11,578. The median household income is $62,625 and the median age is 43.7.
11,578
Population
50
People / sq mi
$62,625
Median Income
43.7
Median Age
Vandalia Community Unit School District 203 covers 234 sq mi of land at 49.6 people per square mile.
Race & Ethnicity
| White | 85.3% |
| Black or African American | 0.0% |
| Asian | 60.6% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$62,625
Median Household Income
$33,971
Per Capita Income
10.0%
Poverty Rate
2.0%
Unemployment
Housing
$137,200
Median Home Value
$798
Median Rent
77.1%
Homeownership
Education Attainment
87.4%
High School+
20.4%
Bachelor's+
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Frequently Asked Questions
Vandalia Community Unit School District 203 serves a community with a population of 11,578 according to the latest Census ACS 5-Year estimates. This unified school district is located in Illinois.
The median household income in Vandalia Community Unit School District 203 is $62,625, with a per capita income of $33,971. The poverty rate is 10.0%.
Vandalia Community Unit School District 203 is 85.3% White, 0.0% Black or African American, 60.6% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Vandalia Community Unit School District 203, 87.4% of adults have a high school diploma or higher, and 20.4% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Vandalia Community Unit School District 203 is $137,200, with a median rent of $798. The homeownership rate is 77.1%.
More from Illinois
Data for Vandalia Community Unit School District 203 from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 1740140).
this entity is one of the data points covered by this site’s U.S. population demographics dataset. The detail above comes directly from the U.S. Census Bureau ACS and decennial files; the context that follows situates the headline numbers against the broader distribution across U.S. states, metros, cities, and ZIPs.
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.
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.