Lakes / Illinois / Iroquois County / Iroquois Lake
Iroquois Lake, Illinois
62.27 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Illinois
40.53 degrees N, 88.10 degrees W - Iroquois County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.
How Iroquois Lake Stacks Up
- Larger than 45% of the 511 lakes counted in Illinois.
- About 79 miles from Peoria, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Bayles Lake | Iroquois | 0.8 mi | 113.41 acres |
| Kellart Lake | Iroquois | 12 mi | 39.78 acres |
| Turtle Pond | Livingston | 14 mi | 47.44 acres |
| Lake of the Woods | Champaign | 28 mi | 28.66 acres |
| Lake Mingo | Vermilion | 30 mi | 150.09 acres |
| Spring Lake | Champaign | 30 mi | 29.9 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Iroquois Lake
How Big Is Iroquois Lake?
Iroquois Lake covers 62.27 acres in Iroquois County, Illinois.
What Is the Largest Lake in Iroquois County?
Bayles Lake is the largest lake in Iroquois County, at 113.41 acres.
Largest Lakes in Illinois
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Carlyle Lake | Clinton | 22,796.77 acres | - |
| 2 | Mine Number 21 Reservoir | Franklin | 17,062.04 acres | - |
| 3 | Upper Peoria Lake | Woodford | 15,460.64 acres | - |
| 4 | Lake Shelbyville | Shelby | 10,235.1 acres | - |
| 5 | Crab Orchard Lake | Williamson | 7,292.57 acres | - |
All 511 Illinois lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 154248186). Verified October 30, 2026.