Lakes / South Dakota / Kingsbury County / Plum Lake
Plum Lake, South Dakota
281.89 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - South Dakota
44.52 degrees N, 97.50 degrees W - Kingsbury County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.
How Plum Lake Stacks Up
- Larger than 72% of the 533 lakes counted in South Dakota.
- About 32 miles from Watertown, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Cherry Lake | Clark | 2.0 mi | 336.67 acres |
| Mud Lake | Kingsbury | 5.5 mi | 289.06 acres |
| Spirit Lake | Kingsbury | 5.8 mi | 1,066.01 acres |
| Mud Lake | Clark | 10 mi | 100.82 acres |
| Willow Lake | Clark | 11 mi | 344.46 acres |
| Gertson Slough | Hamlin | 12 mi | 91.92 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Plum Lake
How Big Is Plum Lake?
Plum Lake covers 281.89 acres in Kingsbury County, South Dakota.
What Is the Largest Lake in Kingsbury County?
Lake Thompson is the largest lake in Kingsbury County, at 13,887.93 acres.
Largest Lakes in South Dakota
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Oahe | Dewey | 309,912.57 acres | - |
| 2 | Lake Francis Case | Charles Mix | 82,166.92 acres | - |
| 3 | Lake Sharpe | Hughes | 58,419.67 acres | - |
| 4 | Lewis and Clark Lake | Bon Homme | 25,141.99 acres | - |
| 5 | Lake Thompson | Kingsbury | 13,887.93 acres | - |
All 533 South Dakota lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 147519698). Verified October 30, 2026.