Unified School District · IL
Pecatonica Community Unit School District 321
Pecatonica Community Unit School District 321 is a unified school district in Illinois with a community population of 4,997. The median household income is $88,000 and the median age is 45.2.
4,997
Population
67
People / sq mi
$88,000
Median Income
45.2
Median Age
Pecatonica Community Unit School District 321 covers 75 sq mi of land at 66.9 people per square mile.
Race & Ethnicity
| White | 91.4% |
| Black or African American | 0.0% |
| Asian | 56.4% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$88,000
Median Household Income
$48,868
Per Capita Income
3.9%
Poverty Rate
4.4%
Unemployment
Housing
$190,400
Median Home Value
$1,087
Median Rent
83.6%
Homeownership
Education Attainment
96.1%
High School+
26.6%
Bachelor's+
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Frequently Asked Questions
Pecatonica Community Unit School District 321 serves a community with a population of 4,997 according to the latest Census ACS 5-Year estimates. This unified school district is located in Illinois.
The median household income in Pecatonica Community Unit School District 321 is $88,000, with a per capita income of $48,868. The poverty rate is 3.9%.
Pecatonica Community Unit School District 321 is 91.4% White, 0.0% Black or African American, 56.4% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Pecatonica Community Unit School District 321, 96.1% of adults have a high school diploma or higher, and 26.6% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Pecatonica Community Unit School District 321 is $190,400, with a median rent of $1,087. The homeownership rate is 83.6%.
More from Illinois
Data for Pecatonica Community Unit School District 321 from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 1731050).
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.