Lake County is a county located in the U.S. state of Michigan. As of the 2020 Census, the population was 12,096. The county seat is Baldwin.

Baldwin is a village in the U.S. state of Michigan. The population was 863 at the 2020 census. It is the county seat of Lake County. The village is located on the boundary between Webber Township on the north and Pleasant Plains Township on the south, with the larger portion lying in Pleasant Plains.