Unified School District · IL
Oswego Community Unit School District 308
Oswego Community Unit School District 308 is a unified school district in Illinois with a community population of 84,549. The median household income is $118,962 and the median age is 37.1.
84,549
Population
1205
People / sq mi
$118,962
Median Income
37.1
Median Age
Oswego Community Unit School District 308 covers 70 sq mi of land at 1205.0 people per square mile.
Race & Ethnicity
| White | 60.4% |
| Black or African American | 0.0% |
| Asian | 45.6% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$118,962
Median Household Income
$45,713
Per Capita Income
3.3%
Poverty Rate
3.0%
Unemployment
Housing
$324,800
Median Home Value
$1,904
Median Rent
85.1%
Homeownership
Education Attainment
94.5%
High School+
43.5%
Bachelor's+
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State rankings
Frequently Asked Questions
Oswego Community Unit School District 308 serves a community with a population of 84,549 according to the latest Census ACS 5-Year estimates. This unified school district is located in Illinois.
The median household income in Oswego Community Unit School District 308 is $118,962, with a per capita income of $45,713. The poverty rate is 3.3%.
Oswego Community Unit School District 308 is 60.4% White, 0.0% Black or African American, 45.6% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Oswego Community Unit School District 308, 94.5% of adults have a high school diploma or higher, and 43.5% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Oswego Community Unit School District 308 is $324,800, with a median rent of $1,904. The homeownership rate is 85.1%.
More from Illinois
Data for Oswego Community Unit School District 308 from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 1730270).
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.
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.