Wauwatosa Map
Wauwatosa Information
Wauwatosa
Wauwatosa (; known informally as Tosa; originally legally known as Wau-wau-too-sa, also called Hart's Mill) is a city in Milwaukee County, Wisconsin, United States. The population was 48,387 at the 2020 census. Wauwatosa is located immediately west of Milwaukee, and is a part of the Milwaukee metropolitan area. It is named after the Potawatomi Chief Wauwataesie and the Potawatomi word for firefly.