Unified School District · IL
St. Charles Community Unit School District 303
St. Charles Community Unit School District 303 is a unified school district in Illinois with a community population of 68,211. The median household income is $144,016 and the median age is 41.3.
68,211
Population
1192
People / sq mi
$144,016
Median Income
41.3
Median Age
St. Charles Community Unit School District 303 covers 57 sq mi of land at 1192.2 people per square mile.
Race & Ethnicity
| White | 77.8% |
| Black or African American | 0.0% |
| Asian | 56.7% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$144,016
Median Household Income
$65,960
Per Capita Income
2.2%
Poverty Rate
2.9%
Unemployment
Housing
$437,100
Median Home Value
$1,820
Median Rent
82.1%
Homeownership
Education Attainment
95.3%
High School+
53.1%
Bachelor's+
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State rankings
Frequently Asked Questions
St. Charles Community Unit School District 303 serves a community with a population of 68,211 according to the latest Census ACS 5-Year estimates. This unified school district is located in Illinois.
The median household income in St. Charles Community Unit School District 303 is $144,016, with a per capita income of $65,960. The poverty rate is 2.2%.
St. Charles Community Unit School District 303 is 77.8% White, 0.0% Black or African American, 56.7% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In St. Charles Community Unit School District 303, 95.3% of adults have a high school diploma or higher, and 53.1% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in St. Charles Community Unit School District 303 is $437,100, with a median rent of $1,820. The homeownership rate is 82.1%.
More from Illinois
Data for St. Charles Community Unit School District 303 from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 1737170).
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.
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.