Unified School District · IL
Mahomet-Seymour Community Unit School District 3
Mahomet-Seymour Community Unit School District 3 is a unified school district in Illinois with a community population of 16,116. The median household income is $116,115 and the median age is 38.1.
16,116
Population
186
People / sq mi
$116,115
Median Income
38.1
Median Age
Mahomet-Seymour Community Unit School District 3 covers 87 sq mi of land at 185.8 people per square mile.
Race & Ethnicity
| White | 86.7% |
| Black or African American | 0.0% |
| Asian | 62.7% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$116,115
Median Household Income
$48,648
Per Capita Income
1.8%
Poverty Rate
2.1%
Unemployment
Housing
$278,000
Median Home Value
$1,347
Median Rent
83.3%
Homeownership
Education Attainment
96.7%
High School+
51.0%
Bachelor's+
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State rankings
Frequently Asked Questions
Mahomet-Seymour Community Unit School District 3 serves a community with a population of 16,116 according to the latest Census ACS 5-Year estimates. This unified school district is located in Illinois.
The median household income in Mahomet-Seymour Community Unit School District 3 is $116,115, with a per capita income of $48,648. The poverty rate is 1.8%.
Mahomet-Seymour Community Unit School District 3 is 86.7% White, 0.0% Black or African American, 62.7% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Mahomet-Seymour Community Unit School District 3, 96.7% of adults have a high school diploma or higher, and 51.0% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Mahomet-Seymour Community Unit School District 3 is $278,000, with a median rent of $1,347. The homeownership rate is 83.3%.
More from Illinois
Data for Mahomet-Seymour Community Unit School District 3 from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 1724060).
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.