Lakes / Illinois / Jefferson County / Lake Jaycee
Lake Jaycee, Illinois
98.35 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Illinois
38.38 degrees N, 88.90 degrees W - Jefferson 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 Jaycee Stacks Up
- Larger than 60% of the 511 lakes counted in Illinois.
- The largest lake in Jefferson County among those counted.
- About 48 miles from Carbondale, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Miller Lake | Jefferson | 1.6 mi | 81.54 acres |
| Superior Lake | Jefferson | 8.8 mi | 35.34 acres |
| Illinois Central Reservoir | Jefferson | 9.7 mi | 91.43 acres |
| Lake Centralia | Marion | 14 mi | 249.58 acres |
| East Lake Impoundment | Jefferson | 15 mi | 45.22 acres |
| Centralia Reservoir | Marion | 15 mi | 645.08 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lake Jaycee
How Big Is Lake Jaycee?
Lake Jaycee covers 98.35 acres in Jefferson County, Illinois.
What Is the Largest Lake in Jefferson County?
Lake Jaycee is the largest lake in Jefferson County, at 98.35 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 48765340). Verified October 30, 2026.