Lakes / Illinois / Alexander County
Lakes in Alexander County, Illinois
2 lakes counted in Alexander County - the largest is Horseshoe Lake at 1,784.84 acres.
2
Lakes Counted
1,784.84 acres
Largest - Horseshoe Lake
Alexander County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Horseshoe Lake | Alexander | 1,784.84 acres | - |
| 2 | Grand Lake | Alexander | 76.11 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.