The population count of Black Hawk County, IA was 131,947 in 2014. The population count of Walworth County, WI was 102,920 in 2014.
Population
Population Change
Above charts are based on data from the U.S. Census American Community Survey | ODN Dataset | API -
Demographics and Population Datasets Involving Walworth County, WI or Black Hawk County, IA
- API
2010 Census/ACS Detailed Block Group Data
data.kcmo.org | Last Updated 2021-11-12T14:22:17.000Zdetailed characteristics of people and housing for individual 2010 census block groups