Lakes / Mississippi / Jefferson County / Flatland Lake
Flatland Lake, Mississippi
647.94 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Mississippi
31.86 degrees N, 91.22 degrees W - Jefferson 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 Flatland Lake Stacks Up
- Larger than 92% of the 382 lakes counted in Mississippi.
- The largest lake in Jefferson County among those counted.
- About 68 miles from Jackson, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Piazza Lake | Jefferson | 1.8 mi | 101.3 acres |
| Holmes Lake | Jefferson | 6.2 mi | 98.56 acres |
| Gilliam Chute | Jefferson | 6.6 mi | 502.41 acres |
| Cypress Grove Lake | Jefferson | 7.4 mi | 57.94 acres |
| Kings Point Lake | Jefferson | 7.6 mi | 72.42 acres |
| Duck Pond | Jefferson | 8.4 mi | 88.64 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Flatland Lake
How Big Is Flatland Lake?
Flatland Lake covers 647.94 acres in Jefferson County, Mississippi.
What Is the Largest Lake in Jefferson County?
Flatland Lake is the largest lake in Jefferson County, at 647.94 acres.
Largest Lakes in Mississippi
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Sardis Lake | Lafayette | 33,218.53 acres | - |
| 2 | Grenada Lake | Grenada | 16,988.3 acres | - |
| 3 | Arkabutla Lake | DeSoto | 11,389.45 acres | - |
| 4 | Enid Lake | Yalobusha | 6,290.32 acres | - |
| 5 | Bay Springs Lake | Tishomingo | 6,072.74 acres | - |
All 382 Mississippi lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 132431543). Verified October 30, 2026.