In 2019, DeKalb County, IL had a population of 104k people with a median age of 31.1 and a median household income of $63,317. Between 2018 and 2019 the population of DeKalb County, IL grew from 104,200 to 104,366, a 0.159% increase and its median household income grew from $61,086 to $63,317, a 3.65% increase.
The 5 largest ethnic groups in DeKalb County, IL are White (Non-Hispanic) (76.8%), Black or African American (Non-Hispanic) (7.76%), White (Hispanic) (7.17%), Other (Hispanic) (3.28%), and Asian (Non-Hispanic) (2.27%). 0% of the households in DeKalb County, IL speak a non-English language at home as their primary language.
95.9% of the residents in DeKalb County, IL are U.S. citizens.
The largest universities in DeKalb County, IL are Northern Illinois University (5,048 degrees awarded in 2019), Kishwaukee College (765 degrees), and Debutantes School of Cosmetology and Nail Technology (43 degrees).
In 2019, the median property value in DeKalb County, IL was $173,100, and the homeownership rate was 57%. Most people in DeKalb County, IL drove alone to work, and the average commute time was 24.8 minutes. The average car ownership in DeKalb County, IL was 2 cars per household.