Unified School District · IL
Springfield School District 186
Springfield School District 186 is a unified school district in Illinois with a community population of 107,776. The median household income is $58,809 and the median age is 40.7.
107,776
Population
1772
People / sq mi
$58,809
Median Income
40.7
Median Age
Springfield School District 186 covers 61 sq mi of land at 1771.5 people per square mile.
Race & Ethnicity
| White | 68.4% |
| Black or African American | 0.0% |
| Asian | 47.3% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$58,809
Median Household Income
$38,564
Per Capita Income
13.1%
Poverty Rate
4.5%
Unemployment
Housing
$136,000
Median Home Value
$960
Median Rent
61.9%
Homeownership
Education Attainment
92.0%
High School+
31.4%
Bachelor's+
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Frequently Asked Questions
Springfield School District 186 serves a community with a population of 107,776 according to the latest Census ACS 5-Year estimates. This unified school district is located in Illinois.
The median household income in Springfield School District 186 is $58,809, with a per capita income of $38,564. The poverty rate is 13.1%.
Springfield School District 186 is 68.4% White, 0.0% Black or African American, 47.3% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Springfield School District 186, 92.0% of adults have a high school diploma or higher, and 31.4% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Springfield School District 186 is $136,000, with a median rent of $960. The homeownership rate is 61.9%.
More from Illinois
Data for Springfield School District 186 from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 1737080).
Springfield School District 186 stands apart on settlement density — it is among the most densely settled of US school districts, at roughly 1,772 people per square mile. Springfield School District 186 is a school district in Illinois with a population of 107,776.
The typical household earns $58,809, below the US median of $78,538. Roughly 13.1% of residents fall below the poverty line, above the national 12.4%. Property is affordable here, the median home worth $136,000, with typical rent around $960.
Roughly 31.4% of adults have a bachelor’s, below the national 35.0%.
That density explains much of the rest of the profile in Springfield School District 186: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Source: U.S. Census Bureau ACS, 2026.