Lakes / Illinois / Marshall County
Lakes in Marshall County, Illinois
5 lakes counted in Marshall County - the largest is Babb Slough at 1,785.21 acres.
5
Lakes Counted
1,785.21 acres
Largest - Babb Slough
Marshall County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Babb Slough | Marshall | 1,785.21 acres | - |
| 2 | Goose Lake | Marshall | 1,113.46 acres | - |
| 3 | Billsbach Lake | Marshall | 871.79 acres | - |
| 4 | Wightman Lake | Marshall | 491.49 acres | - |
| 5 | Lake Wildwood | Marshall | 209.79 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.