In 2017, Delaware County, IA had a population of 17.3k people with a median age of 43.4 and a median household income of $60,534. Between 2016 and 2017 the population of Delaware County, IA declined from 17,445 to 17,326, a -0.682% decrease and its median household income grew from $59,452 to $60,534, a 1.82% increase.
The 5 largest ethnic groups in Delaware County, IA are White (Non-Hispanic) (97%), White (Hispanic) (1.14%), Two or More Races (Non-Hispanic) (0.964%), Asian (Non-Hispanic) (0.312%), and Black or African American (Non-Hispanic) (0.277%). N/A% of the people in Delaware County, IA speak a non-English language, and 99.4% are U.S. citizens.
The median property value in Delaware County, IA is $126,000, and the homeownership rate is 82.2%. Most people in Delaware County, IA commute by Drove Alone, and the average commute time is 20.8 minutes. The average car ownership in Delaware County, IA is 2 cars per household.