Lakes / Illinois / Randolph County / Randolph County Lake
Randolph County Lake, Illinois
79.57 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Illinois
37.97 degrees N, 89.80 degrees W - Randolph 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 Randolph County Lake Stacks Up
- Larger than 53% of the 511 lakes counted in Illinois.
- About 36 miles from Carbondale, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Old City Reservoir | Randolph | 11 mi | 26.09 acres |
| West C Streamline Lake | Randolph | 11 mi | 99.34 acres |
| New City Reservoir | Randolph | 12 mi | 45.47 acres |
| East C Streamline Lake | Perry | 14 mi | 131.21 acres |
| Baldwin Lake | Randolph | 17 mi | 1,874.85 acres |
| Lovets Pond | Jackson | 18 mi | 50.16 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Randolph County Lake
How Big Is Randolph County Lake?
Randolph County Lake covers 79.57 acres in Randolph County, Illinois.
What Is the Largest Lake in Randolph County?
Baldwin Lake is the largest lake in Randolph County, at 1,874.85 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 44745393). Verified October 30, 2026.