In 2017, DeKalb County, IL had a population of 104k people with a median age of 30.7 and a median household income of $58,343. Between 2016 and 2017 the population of DeKalb County, IL grew from 104,458 to 104,473, a 0.0144% increase and its median household income grew from $56,076 to $58,343, a 4.04% increase.
The population of DeKalb County, IL is 77.6% White Alone, 10.8% Hispanic or Latino, and 7.1% Black or African American Alone. 11.6% of the people in DeKalb County, IL speak a non-English language, and 95.5% are U.S. citizens.
The median property value in DeKalb County, IL is $166,800, and the homeownership rate is 56.5%. Most people in DeKalb County, IL commute by Drove Alone, and the average commute time is 24.5 minutes. The average car ownership in DeKalb County, IL is 2 cars per household.