Unified School District · IL
Harrisburg Community Unit School District 3
Harrisburg Community Unit School District 3 is a unified school district in Illinois with a community population of 11,644. The median household income is $51,442 and the median age is 42.2.
11,644
Population
83
People / sq mi
$51,442
Median Income
42.2
Median Age
Harrisburg Community Unit School District 3 covers 140 sq mi of land at 83.4 people per square mile.
Race & Ethnicity
| White | 94.0% |
| Black or African American | 0.0% |
| Asian | 67.2% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$51,442
Median Household Income
$33,991
Per Capita Income
18.0%
Poverty Rate
4.3%
Unemployment
Housing
$98,000
Median Home Value
$780
Median Rent
68.3%
Homeownership
Education Attainment
86.7%
High School+
20.8%
Bachelor's+
Other Illinois School Districts
Largest Cities in Illinois
Largest Counties in Illinois
Congressional Districts in Illinois
State rankings
Frequently Asked Questions
Harrisburg Community Unit School District 3 serves a community with a population of 11,644 according to the latest Census ACS 5-Year estimates. This unified school district is located in Illinois.
The median household income in Harrisburg Community Unit School District 3 is $51,442, with a per capita income of $33,991. The poverty rate is 18.0%.
Harrisburg Community Unit School District 3 is 94.0% White, 0.0% Black or African American, 67.2% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Harrisburg Community Unit School District 3, 86.7% of adults have a high school diploma or higher, and 20.8% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Harrisburg Community Unit School District 3 is $98,000, with a median rent of $780. The homeownership rate is 68.3%.
More from Illinois
Data for Harrisburg 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: 1718270).
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.
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.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. states, metros, cities, and ZIPs. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: U.S. Census Bureau ACS, 2026.