Lakes / Illinois / Randolph County
Lakes in Randolph County, Illinois
6 lakes counted in Randolph County - the largest is Baldwin Lake at 1,874.85 acres.
6
Lakes Counted
1,874.85 acres
Largest - Baldwin Lake
Randolph County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Baldwin Lake | Randolph | 1,874.85 acres | - |
| 2 | West C Streamline Lake | Randolph | 99.34 acres | - |
| 3 | Randolph County Lake | Randolph | 79.57 acres | - |
| 4 | New City Reservoir | Randolph | 45.47 acres | - |
| 5 | City Reservoir | Randolph | 33.36 acres | - |
| 6 | Old City Reservoir | Randolph | 26.09 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.