Lakes / Illinois / Franklin County / New City Lake
New City Lake, Illinois
205.53 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Illinois
37.90 degrees N, 88.79 degrees W - Franklin 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 New City Lake Stacks Up
- Larger than 76% of the 511 lakes counted in Illinois.
- About 26 miles from Carbondale, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| West Frankfort Reservoir | Franklin | 1.3 mi | 158.64 acres |
| Thompsonville Lake | Franklin | 4.0 mi | 43.98 acres |
| Lake Number 5 | Williamson | 7.7 mi | 26.69 acres |
| Sweet Lake | Williamson | 8.1 mi | 36.57 acres |
| Johnston City Lake | Williamson | 8.1 mi | 59.8 acres |
| Fresh Water Lake | Williamson | 8.3 mi | 35.83 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About New City Lake
How Big Is New City Lake?
New City Lake covers 205.53 acres in Franklin County, Illinois.
What Is the Largest Lake in Franklin County?
Mine Number 21 Reservoir is the largest lake in Franklin County, at 17,062.04 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 48798296). Verified October 30, 2026.