Willow Lake city, South Dakota
Official LSAD Designation: Willow Lake city • Census GEOID: 4671940
• Clark County
Willow Lake city is an incorporated city in Clark County, South Dakota. According to official records from the Census (2025), Willow Lake city had an estimated population of 271 residents. Official Census Bureau geographic records classify this community under LSAD designation Willow Lake city (GEOID 4671940).
Local Government Administration U.S. Census Bureau GMAF
City Of Willow Lake
Municipal
Official Title:
Finance Officer
Address:
PO BOX 317, WILLOW LAKE SD 57278-0317
County Of Clark
County
Official Title:
Clark County Auditor
Address:
PO BOX 294, CLARK SD 57225-0294
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 271 | 2025 |
| Median Household Income | $72,875 | 2020-2024 |
| Median Home Value | $149,000 | 2020-2024 |
| Land Area | 0.37 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).