Lakes / Illinois / Shelby County / Lake Shelbyville
Lake Shelbyville, Illinois
10,235.1 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Illinois
39.51 degrees N, 88.69 degrees W - Shelby 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 Lake Shelbyville Stacks Up
- Ranks #4 for surface area among the Illinois lakes counted so far - 10,235.1 acres.
- The largest lake in Shelby County among those counted.
- About 54 miles from Springfield, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Wood Lake | Moultrie | 4.4 mi | 33.61 acres |
| Lake Paradise | Coles | 15 mi | 173.96 acres |
| Lake Mattoon | Cumberland | 16 mi | 907.62 acres |
| Lake Pana | Shelby | 20 mi | 205.84 acres |
| Paragon Lake | Christian | 23 mi | 54.86 acres |
| Lake Sara | Effingham | 26 mi | 553.02 acres |
Straight-line distance between lake centers.
Facts and Figures
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 150624516). Verified October 30, 2026.