Unified School District · IL
Tri-Valley Community Unit School District 3
Tri-Valley Community Unit School District 3 is a unified school district in Illinois with a community population of 5,002. The median household income is $117,569 and the median age is 42.5.
5,002
Population
50
People / sq mi
$117,569
Median Income
42.5
Median Age
Tri-Valley Community Unit School District 3 covers 99 sq mi of land at 50.4 people per square mile.
Race & Ethnicity
| White | 94.8% |
| Black or African American | 0.0% |
| Asian | 56.6% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$117,569
Median Household Income
$54,497
Per Capita Income
4.5%
Poverty Rate
1.2%
Unemployment
Housing
$295,300
Median Home Value
$940
Median Rent
93.6%
Homeownership
Education Attainment
99.2%
High School+
54.3%
Bachelor's+
Other Illinois School Districts
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State rankings
Frequently Asked Questions
Tri-Valley Community Unit School District 3 serves a community with a population of 5,002 according to the latest Census ACS 5-Year estimates. This unified school district is located in Illinois.
The median household income in Tri-Valley Community Unit School District 3 is $117,569, with a per capita income of $54,497. The poverty rate is 4.5%.
Tri-Valley Community Unit School District 3 is 94.8% White, 0.0% Black or African American, 56.6% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Tri-Valley Community Unit School District 3, 99.2% of adults have a high school diploma or higher, and 54.3% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Tri-Valley Community Unit School District 3 is $295,300, with a median rent of $940. The homeownership rate is 93.6%.
More from Illinois
Data for Tri-Valley 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: 1713920).
For this entity, the underlying data on this page comes from the U.S. Census Bureau ACS and decennial files. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
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.