Black Hawk County, Iowa Basics:
Black Hawk County Iowa - Government Site
Population: 131,638
Area: 566 square miles
County seat: Waterloo
Area code(s) in use: 319
Time zone: CST
High school graduate or higher: 89.5%
Bachelor's degree or higher: 25.5%
Median household income: $45,610
Persons in poverty: 16.5%
Home ownership rate: 68.3%
Mean travel time to work: 15.9 minutes
Adjacent counties:
Benton Bremer Buchanan Butler Fayette Grundy Tama