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+
Other Illinois School Districts
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State rankings
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).
What distinguishes Harlem Unit School District 122 is density: among the most densely settled of US school districts, around 1,991 people per square mile. With 41,971 residents, Harlem Unit School District 122 is a school district in Illinois.
Household earnings are middling, with a median of $63,858 — below the US median of $78,538. The poverty rate is 9.7%, below the national 12.4%. Property is affordable here, the median home worth $158,500, with typical rent around $1,090.
Degree attainment is mid-range for US school districts: 19.1% of adults hold a four-year degree, below the national 35.0%.
That density explains much of the rest of the profile in Harlem Unit School District 122: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Source: U.S. Census Bureau ACS, 2026.