Waukesha County Real Estate View 649 listings HomeGuidesWaukesha County A great place to live, raise a family, and to work. Waukesha County is known as one of the most affluent of counties in Wisconsin and is rich in history. Guides SussexElm GroveBrookfield (City & Town)Delafield (City & Town)Mukwonago (Village & Town)MuskegoNew BerlinOconomowoc (Town & City)Pewaukee (City & Village)Waukesha (Town & City)Waukesha CountyWauwatosa