Lakes / Illinois / Henderson County
Lakes in Henderson County, Illinois
5 lakes counted in Henderson County - the largest is Millman Lake at 191.51 acres.
5
Lakes Counted
191.51 acres
Largest - Millman Lake
Henderson County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Millman Lake | Henderson | 191.51 acres | - |
| 2 | Crystal Lake | Henderson | 184.59 acres | - |
| 3 | Carthage Lake | Henderson | 83.77 acres | - |
| 4 | Orchard City Lake | Henderson | 35.58 acres | - |
| 5 | Gladstone Lake | Henderson | 26.44 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.