Unified School District · IL
Johnsburg Community Unit School District 12
Johnsburg Community Unit School District 12 is a unified school district in Illinois with a community population of 11,934. The median household income is $105,522 and the median age is 48.5.
11,934
Population
647
People / sq mi
$105,522
Median Income
48.5
Median Age
Johnsburg Community Unit School District 12 covers 18 sq mi of land at 647.3 people per square mile.
Race & Ethnicity
| White | 88.9% |
| Black or African American | 0.0% |
| Asian | 67.4% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$105,522
Median Household Income
$52,678
Per Capita Income
5.9%
Poverty Rate
1.9%
Unemployment
Housing
$294,700
Median Home Value
$1,208
Median Rent
92.6%
Homeownership
Education Attainment
94.8%
High School+
25.0%
Bachelor's+
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State rankings
Frequently Asked Questions
Johnsburg Community Unit School District 12 serves a community with a population of 11,934 according to the latest Census ACS 5-Year estimates. This unified school district is located in Illinois.
The median household income in Johnsburg Community Unit School District 12 is $105,522, with a per capita income of $52,678. The poverty rate is 5.9%.
Johnsburg Community Unit School District 12 is 88.9% White, 0.0% Black or African American, 67.4% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Johnsburg Community Unit School District 12, 94.8% of adults have a high school diploma or higher, and 25.0% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Johnsburg Community Unit School District 12 is $294,700, with a median rent of $1,208. The homeownership rate is 92.6%.
More from Illinois
Data for Johnsburg Community Unit School District 12 from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 1720490).
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.
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.