Black Hawk County

Black Hawk County is a county located in the northeastern part of U.S. state of Iowa.  Black Hawk County has the fourth largest population for counties in the state. The majority of the county's population resides in the Waterloo-Cedar Falls urbanized area.Waterloo, the county seat, is located approximately 65 miles (105 km) east of I-35 at the intersection of U.S. Highways 20, 63 and 218. The city of Cedar Falls is located approximately eight miles west of Waterloo.  Black Hawk County was formed on February 17, 1843 from sections of Buchanan County. It was named after Black Hawk, a Sauk leader during the 1832 Black Hawk War.