In 2021, Delaware County, IA had a population of 17.5k people with a median age of 43.7 and a median household income of $69,319. Between 2020 and 2021 the population of Delaware County, IA grew from 17,107 to 17,508, a 2.34% increase and its median household income grew from $63,877 to $69,319, a 8.52% increase.
The 5 largest ethnic groups in Delaware County, IA are White (Non-Hispanic) (95.7%), Two+ (Non-Hispanic) (1.87%), White (Hispanic) (0.84%), Two+ (Hispanic) (0.4%), and Other (Non-Hispanic) (0.314%).
None of the households in Delaware County, IA reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99.9% of the residents in Delaware County, IA are U.S. citizens.
In 2021, the median property value in Delaware County, IA was $146,400, and the homeownership rate was 82.8%.
Most people in Delaware County, IA drove alone to work, and the average commute time was 21.2 minutes. The average car ownership in Delaware County, IA was 2 cars per household.
Delaware County, IA borders Buchanan County, IA, Clayton County, IA, Dubuque County, IA, Fayette County, IA, Jones County, IA, and Linn County, IA.