Lakes / Louisiana / Catahoula County / Dempsey Lake
Dempsey Lake, Louisiana
56.18 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Louisiana
31.61 degrees N, 91.98 degrees W - Catahoula County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Louisiana Department of Wildlife and Fisheries coordinates, not by eye. Schematic - not a survey map.
How Dempsey Lake Stacks Up
- Larger than 21% of the 664 lakes counted in Louisiana.
- About 94 miles from Baton Rouge, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Rhinehart Lake | Catahoula | 1.1 mi | 49.11 acres |
| Round Lake | Catahoula | 1.8 mi | 33.9 acres |
| Willow Lake | La Salle | 2.9 mi | 43.85 acres |
| Long Lake | Catahoula | 3.0 mi | 109.8 acres |
| Little Lake Slough | La Salle | 3.4 mi | 27.94 acres |
| Little Lake | La Salle | 4.6 mi | 1,021.9 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Dempsey Lake
How Big Is Dempsey Lake?
Dempsey Lake covers 56.18 acres in Catahoula County, Louisiana.
What Is the Largest Lake in Catahoula County?
Larto Lake is the largest lake in Catahoula County, at 2,526.45 acres.
Deepest Natural Lakes in Louisiana
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | False River | Pointe Coupee | 3,212 acres | 65 ft |
| 2 | Vernon Lake | Vernon | 6 acres | 53 ft |
| 3 | Lake Concordia | Concordia | 1,026 acres | 50 ft |
| 4 | Caney Creek Reservoir | Jackson | 4,738 acres | 43 ft |
| 5 | Lake Providence | East Carroll | 1,380 acres | 37 ft |
All 27 Louisiana lakes ranked by depth
Largest Lakes in Louisiana
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Pontchartrain | Jefferson | 407,803.25 acres | - |
| 2 | Toledo Bend Reservoir | Sabine | 181,600 acres | 110 ft |
| 3 | Lake Maurepas | Livingston | 58,308.4 acres | - |
| 4 | Sabine Lake | Cameron | 56,867.74 acres | - |
| 5 | White Lake | Vermilion | 55,913.91 acres | - |
All 664 Louisiana lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 59852061). Verified October 30, 2026.