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. It is the birthplace of Alex Kister, who is revered for helping pioneer analog horror's newfound fame.