Cedar Lake is a town in Hanover and Center townships, Lake County, Indiana, United States. It is near the Illinois state line. Its population was 11,560 at the 2010 census. The town is notable for its location on Cedar Lake, the Lake of the Red Cedars museum.

Lake County is a county located in the U.S. state of Indiana. In 2020, its population was 498,700, making it Indiana's second-most populous county. The county seat is Crown Point. The county is part of Northwest Indiana and the Chicago metropolitan area, and contains a mix of urban, suburban and rural areas. It is bordered on the north by Lake Michigan and contains a portion of the Indiana Dunes. It includes Marktown, Clayton Mark's planned worker community in East Chicago.