DeKalb County, IL has a population of 104,458 people with a median age of 30.5 and a median household income of $56,076. Between 2015 and 2016 the population of DeKalb County, IL grew from 104,345 to 104,458, a 0.11% increase and its median household income grew from $54,101 to $56,076, a 3.65% increase.
The population of DeKalb County, IL is 78% White, 10.7% Hispanic, and 6.69% Black. 11.2% of the people in DeKalb County, IL speak a non-English language, and 96% are U.S. citizens.
The largest universities in DeKalb County, IL are Northern Illinois University, with 5,211 graduates, Kishwaukee College, with 783 graduates, and Hair Professionals Career College, with 25 graduates.
The median property value in DeKalb County, IL is $166,000, and the homeownership rate is 57.5%. Most people in DeKalb County, IL commute by Drove Alone, and the average commute time is 25.1 minutes. The average car ownership in DeKalb County, IL is 2 cars per household.
DeKalb County, IL is the 20th most populated county in Illinois and borders Boone County, IL; Kane County, IL; Kendall County, IL; LaSalle County, IL; Lee County, IL; McHenry County, IL; Ogle County, IL; Winnebago County, IL& 3 more.