Unified School District · IL
Martinsville Community Unit School District 3C
Martinsville Community Unit School District 3C is a unified school district in Illinois with a community population of 2,704. The median household income is $66,979 and the median age is 46.1.
2,704
Population
19
People / sq mi
$66,979
Median Income
46.1
Median Age
Martinsville Community Unit School District 3C covers 142 sq mi of land at 19.0 people per square mile.
Race & Ethnicity
| White | 97.9% |
| Black or African American | 0.0% |
| Asian | 62.2% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$66,979
Median Household Income
$35,493
Per Capita Income
14.9%
Poverty Rate
1.3%
Unemployment
Housing
$89,100
Median Home Value
$600
Median Rent
84.4%
Homeownership
Education Attainment
90.5%
High School+
22.2%
Bachelor's+
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State rankings
Frequently Asked Questions
Martinsville Community Unit School District 3C serves a community with a population of 2,704 according to the latest Census ACS 5-Year estimates. This unified school district is located in Illinois.
The median household income in Martinsville Community Unit School District 3C is $66,979, with a per capita income of $35,493. The poverty rate is 14.9%.
Martinsville Community Unit School District 3C is 97.9% White, 0.0% Black or African American, 62.2% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Martinsville Community Unit School District 3C, 90.5% of adults have a high school diploma or higher, and 22.2% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Martinsville Community Unit School District 3C is $89,100, with a median rent of $600. The homeownership rate is 84.4%.
More from Illinois
Data for Martinsville Community Unit School District 3C from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 1724900).
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.
The methodology behind every numeric value on this page is publicly documented on the the U.S. Census Bureau ACS and decennial files portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
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.