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Population Review

DeKalb County, IL — Population & Demographics

DeKalb County, IL has a population of 100,512. The median household income is $69,022 and the median age is 32.6.

100,512

Population

$69,022

Median Income

$231,900

Median Home Value

32.6

Median Age

Race & Ethnicity

White76.3%
Black or African American7.8%
Asian0.0%
Hispanic or Latino (any race)1.4%
Two or More Races0.0%

Economy & Income

$69,022

Median Household Income

$35,054

Per Capita Income

10.9%

Poverty Rate

4.9%

Unemployment

Housing

$231,900

Median Home Value

$1,041

Median Rent

60.9%

Homeownership

Education

92.4%

High School+

32.7%

Bachelor's+

Frequently Asked Questions

DeKalb County, IL has a population of 100,512 according to Census ACS 2023 data.

The median household income in DeKalb County, IL is $69,022.

Data from the American Community Survey (ACS) 5-Year estimates.