Waukesha County, county in Wisconsin, United States. As of 2020 county had an estimated population of 406,172 inhabitants. The county was created 176 years ago in 1846. Its county seat is "Waukesha".
Cities, Towns, Neighborhoods & Other Populated Places in Waukesha County.
|Delafield||Fourth-class city in Waukesha County, Wisconsin, United States||Waukesha||8,935|
|Dousman||Village in Waukesha County, Wisconsin, United States||Waukesha||2,317|