Black Hawk County is a county in the northeastern part of U.S. state of Iowa. As of the 2020 census, the population was 131,144, making it Iowa's fifth-most populous county. The county seat is Waterloo.
Black Hawk County Courthouse in Waterloo
Waterloo is a city in and the county seat of Black Hawk County, Iowa, United States. As of the 2020 United States Census the population was 67,314, making it the eighth-most populous city in the state.
Image: Waterloo, Iowa (2022)
Image: Waterloo Convention Center
Image: Waterloo Public Library (Iowa)
Image: Mount Moriah Baptist