Lakes / Illinois / Hamilton County
Lakes in Hamilton County, Illinois
2 lakes counted in Hamilton County - the largest is L P Dolan Lake at 72.34 acres.
2
Lakes Counted
72.34 acres
Largest - L P Dolan Lake
Hamilton County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | L P Dolan Lake | Hamilton | 72.34 acres | - |
| 2 | Lake McLeansboro | Hamilton | 57.16 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.