Oconomowoc Lake is a village in Waukesha County, Wisconsin, United States. The population was 566 at the 2020 census. Located just outside the City of Oconomowoc, the village includes the residential

Waukesha County is a county in the U.S. state of Wisconsin. As of the 2020 United States Census, the population was 406,978, making it the third-most populous county in Wisconsin. Its median income of