Clear Lake, South Dakota

Clear Lake is located in Clear Lake Township. About 1,218 people live here (as of 2020). Between 2010 and 2020, the population declined from 1,273 to 1,218. The region is at 559 meters above sea level. The area covers about 8.4 square kilometers. There are about 103 streets in Clear Lake. The ZIP codes are 57226. The dialing code is 605. Clear Lake is city in and county seat of Deuel County, South Dakota, United States. More information at www.clearlakesd.com.