Clear Lake, population estimated at 1,300, is the largest city and county seat of Deuel County, South Dakota. Clear Lake was surveyed and platted in September 1884 and incorporated as a town on July 6, 1885. First named Deuel Center because of its location near the geographic center of Deuel County, the city was renamed Clear Lake after the beautiful nearby lake.
The Clear Lake Historical Society accepts financial contributions and donations of historical artifacts and other items of interest to the history of Clear Lake and Deuel County. Lifetime memberships are also available. Contact any board member for further information.