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).
Among US school districts, Oswego Community Unit School District 308 stands out first on household income: a median of $118,962, above the US median of $78,538. Oswego Community Unit School District 308 is a school district in Illinois with a population of 84,549.
Households here are among the highest-earning of all US school districts: median income is $118,962, above the US median of $78,538. Poverty is relatively low for US school districts at 3.3%, below the national 12.4%. Home values run above average at $324,800, with typical rent around $1,904.
College attainment is above the local norm at 43.5%, above the national 35.0%.
Taken together, the income and housing figures place Oswego Community Unit School District 308 firmly in the higher-cost, higher-earning tier of US school districts — a profile that tends to track dense job markets and competitive housing.
Source: U.S. Census Bureau ACS, 2026.