Lakes / Iowa / Louisa County / Big Lake
Big Lake, Louisa County, Iowa
35 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Iowa
41.38 degrees N, 91.39 degrees W - Louisa 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 Big Lake Stacks Up
- Larger than 15% of the 220 lakes counted in Iowa.
- About 43 miles from Davenport, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Horseshoe Lake | Louisa | 0.9 mi | 60 acres |
| Cone Lake | Muscatine | 3.6 mi | 53 acres |
| Muskrat Lake | Louisa | 16 mi | 30 acres |
| Wiese Slough | Muscatine | 18 mi | 186 acres |
| Fox Pond | Louisa | 19 mi | 87 acres |
| Warnstaff Lake | Louisa | 20 mi | 42 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Big Lake
How Big Is Big Lake?
Big Lake covers 35 acres in Louisa County, Iowa.
What Is the Largest Lake in Louisa County?
Lake Odesa is the largest lake in Louisa County, at 1,744 acres.
Largest Lakes in Iowa
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Rathbun Lake | Appanoose | 13,869 acres | - |
| 2 | Lake Red Rock | Marion | 8,619 acres | - |
| 3 | Spirit Lake | Dickinson | 5,463 acres | - |
| 4 | Saylorville Lake | Polk | 5,428 acres | - |
| 5 | Clear Lake | Cerro Gordo | 3,632 acres | - |
All 220 Iowa lakes ranked by surface area
Sources: USGS NHD (The National Map NHD MapServer layer 12) named waterbodies FTYPE 390/436; counties via Census point-in-polygon lake data (ID 154318876). Verified October 30, 2026.