Richfield is a village in Washington County, Wisconsin, United States. The population was 11,739 at the 2020 census. The unincorporated community of Hubertus, as Well as the Former Communities of Pleasant Hill and Plat are located in the village, as well as the communities of Colgate and Lake Five, which are partially located in Richfield.

Washington County is a county in the U.S. state of Wisconsin. As of the 2020 census, the population was 136,761. Its county seat is West Bend. The county was created from Wisconsin Territory in 1836 and organized in 1845. It was named after President George Washington.