Delaware County, IA has a population of 17,445 people with a median age of 43.2 and a median household income of $59,452. Between 2015 and 2016 the population of Delaware County, IA declined from 17,507 to 17,445, a 0.35% decrease and its median household income grew from $58,274 to $59,452, a 2.02% increase.
The population of Delaware County, IA is 97.3% White, 1.2% Hispanic, and 1% Two+. 2.24% of the people in Delaware County, IA speak a non-English language, and 99% are U.S. citizens.
The largest universities in Delaware County, IA are University of Dubuque, with 515 graduates, Loras College, with 405 graduates, and Clarke University, with 319 graduates.
The median property value in Delaware County, IA is $123,200, and the homeownership rate is 81%. Most people in Delaware County, IA commute by Drove Alone, and the average commute time is 20.1 minutes. The average car ownership in Delaware County, IA is 2 cars per household.
Delaware County, IA is the 40th most populated county in Iowa and borders Buchanan County, IA; Clayton County, IA; Dubuque County, IA; Fayette County, IA; Jones County, IA; and Linn County, IA& 1 more.