Clear Lake city, South Dakota
Official LSAD Designation: Clear Lake city • Census GEOID: 4612540
• Deuel County
Clear Lake city is an incorporated city in Deuel County, South Dakota. According to official records from the Census (2025), Clear Lake city had an estimated population of 1,220 residents. Official Census Bureau geographic records classify this community under LSAD designation Clear Lake city (GEOID 4612540).
Local Government Administration U.S. Census Bureau GMAF
City Of Clear Lake
Municipal
Official Title:
Finance Officer
Address:
PO BOX 107, CLEAR LAKE SD 57226-0107
County Of Deuel
County
Official Title:
Commissioner
Address:
PO BOX 828, CLEAR LAKE SD 57226-0828
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 1,220 | 2025 |
| Median Household Income | $84,792 | 2020-2024 |
| Median Home Value | $162,500 | 2020-2024 |
| Land Area | 3.44 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).