Lakes / Illinois / Iroquois County
Lakes in Iroquois County, Illinois
3 lakes counted in Iroquois County - the largest is Bayles Lake at 113.41 acres.
3
Lakes Counted
113.41 acres
Largest - Bayles Lake
Iroquois County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Bayles Lake | Iroquois | 113.41 acres | - |
| 2 | Iroquois Lake | Iroquois | 62.27 acres | - |
| 3 | Kellart Lake | Iroquois | 39.78 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.