Lakes / Illinois / Hamilton County / Lake McLeansboro
Lake McLeansboro, Illinois
57.16 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Illinois
38.08 degrees N, 88.56 degrees W - Hamilton 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 Lake McLeansboro Stacks Up
- Larger than 42% of the 511 lakes counted in Illinois.
- About 44 miles from Carbondale, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| L P Dolan Lake | Hamilton | 8.5 mi | 72.34 acres |
| Thompsonville Lake | Franklin | 14 mi | 43.98 acres |
| Sandy Run Lake | White | 15 mi | 31.33 acres |
| Harrisburg Reservoir | Saline | 17 mi | 158.42 acres |
| Lake Moses | Franklin | 18 mi | 159.63 acres |
| New City Lake | Franklin | 18 mi | 205.53 acres |
Straight-line distance between lake centers.
Facts and Figures
Largest Lakes in Illinois
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Carlyle Lake | Clinton | 22,796.77 acres | - |
| 2 | Mine Number 21 Reservoir | Franklin | 17,062.04 acres | - |
| 3 | Upper Peoria Lake | Woodford | 15,460.64 acres | - |
| 4 | Lake Shelbyville | Shelby | 10,235.1 acres | - |
| 5 | Crab Orchard Lake | Williamson | 7,292.57 acres | - |
All 511 Illinois lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 49225227). Verified October 30, 2026.