Lakes / Illinois / Cook County
Lakes in Cook County, Illinois
25 lakes counted in Cook County - the largest is Lake Calumet at 591.91 acres.
25
Lakes Counted
591.91 acres
Largest - Lake Calumet
Cook County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Calumet | Cook | 591.91 acres | - |
| 2 | South Pool | Cook | 425.86 acres | - |
| 3 | Saganashkee Slough | Cook | 359.29 acres | - |
| 4 | Skokie Lagoons | Cook | 301.94 acres | - |
| 5 | Orland Lake | Cook | 273.39 acres | - |
| 6 | Baker Lake | Cook | 124.05 acres | - |
| 7 | Tampier Lake | Cook | 121.08 acres | - |
| 8 | Wolf Lake | Cook | 115.08 acres | - |
| 9 | Powder Horn Lake | Cook | 100.82 acres | - |
| 10 | Hawley Lake | Cook | 64.74 acres | - |
| 11 | Maple Lake | Cook | 57.08 acres | - |
| 12 | Longjohn Slough | Cook | 53.13 acres | - |
| 13 | Tampier Slough | Cook | 53.13 acres | - |
| 14 | Keene Lake | Cook | 46.95 acres | - |
| 15 | Crabtree Lake | Cook | 41.76 acres | - |
| 16 | Lake Opeka | Cook | 37.07 acres | - |
| 17 | Beck Lake | Cook | 36.08 acres | - |
| 18 | Wampum Lake | Cook | 34.84 acres | - |
| 19 | Lake Cottage Grove | Cook | 31.63 acres | - |
| 20 | Dead Stick Pond | Cook | 28.19 acres | - |
| 21 | Sauk Trail Lake | Cook | 27.92 acres | - |
| 22 | Hawthorn Lake | Cook | 27.43 acres | - |
| 23 | Spring Lake | Cook | 26.93 acres | - |
| 24 | Goose Lake | Cook | 25.7 acres | - |
| 25 | Big Bend Lake | Cook | 25.45 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.