Delaware County, Iowa Basics:
Delaware County Iowa - Government Site
Population: 17,604
Area: 578 square miles
County seat: Manchester
Area code(s) in use: 563
Time zone: CST
High school graduate or higher: 90.1%
Bachelor's degree or higher: 15.2%
Median household income: $51,663
Persons in poverty: 7.8%
Home ownership rate: 78.9%
Mean travel time to work: 20.9 minutes
Adjacent counties:
Buchanan Clayton Dubuque Fayette Jones Linn