what county waukesha wi
Waukesha, WI. Sponsored Topics. Waukesha ( /wÉËkÉ¨ÊÉË/ waw-kÉ-shaw) is a city in and the county seat of Waukesha County, Wisconsin, in the Upper Midwest region of the United States. The population was 70,718 at the 2010 census, making it the largest community in the county and 7th largest in the state.