Lakes / Illinois / Marshall County / Billsbach Lake
Billsbach Lake, Illinois
871.79 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Illinois
41.08 degrees N, 89.37 degrees W - Marshall 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 Billsbach Lake Stacks Up
- Larger than 90% of the 511 lakes counted in Illinois.
- About 29 miles from Peoria, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Goose Lake | Marshall | 3.2 mi | 1,113.46 acres |
| Sawmill Lake | Putnam | 3.4 mi | 556.48 acres |
| Lake Wildwood | Marshall | 4.5 mi | 209.79 acres |
| Wightman Lake | Marshall | 6.0 mi | 491.49 acres |
| Swan Lake | Putnam | 6.2 mi | 167.31 acres |
| Senachwine Lake | Putnam | 7.4 mi | 5,449.75 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Billsbach Lake
How Big Is Billsbach Lake?
Billsbach Lake covers 871.79 acres in Marshall County, Illinois.
What Is the Largest Lake in Marshall County?
Babb Slough is the largest lake in Marshall County, at 1,785.21 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 152225488). Verified October 30, 2026.