The population count of Outagamie County, WI was 184,754 in 2018. The population count of Waukesha County, WI was 398,879 in 2018. The population count of Winnebago County, WI was 169,926 in 2018.
Population
Population Change
Above charts are based on data from the U.S. Census American Community Survey | ODN Dataset | API -