Unified School District · IL
Harlem Unit School District 122
Harlem Unit School District 122 is a unified school district in Illinois with a community population of 41,971. The median household income is $63,858 and the median age is 38.6.
41,971
Population
1991
People / sq mi
$63,858
Median Income
38.6
Median Age
Harlem Unit School District 122 covers 21 sq mi of land at 1991.1 people per square mile.
Race & Ethnicity
| White | 79.1% |
| Black or African American | 0.0% |
| Asian | 54.8% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$63,858
Median Household Income
$34,705
Per Capita Income
9.7%
Poverty Rate
4.0%
Unemployment
Housing
$158,500
Median Home Value
$1,090
Median Rent
67.9%
Homeownership
Education Attainment
91.8%
High School+
19.1%
Bachelor's+
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Frequently Asked Questions
Harlem Unit School District 122 serves a community with a population of 41,971 according to the latest Census ACS 5-Year estimates. This unified school district is located in Illinois.
The median household income in Harlem Unit School District 122 is $63,858, with a per capita income of $34,705. The poverty rate is 9.7%.
Harlem Unit School District 122 is 79.1% White, 0.0% Black or African American, 54.8% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Harlem Unit School District 122, 91.8% of adults have a high school diploma or higher, and 19.1% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Harlem Unit School District 122 is $158,500, with a median rent of $1,090. The homeownership rate is 67.9%.
More from Illinois
Data for Harlem Unit School District 122 from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 1718240).
this entity is one of the data points covered by this site’s U.S. population demographics dataset. The detail above comes directly from the U.S. Census Bureau ACS and decennial files; the context that follows situates the headline numbers against the broader distribution across U.S. states, metros, cities, and ZIPs.
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.