Lakes / Iowa / Des Moines County / Iowa Slough Lake
Iowa Slough Lake, Iowa
121 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Iowa
41.07 degrees N, 90.98 degrees W - Des Moines 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 Iowa Slough Lake Stacks Up
- Larger than 60% of the 220 lakes counted in Iowa.
- The largest lake in Des Moines County among those counted.
- About 37 miles from Davenport, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Sunfish Lake | Louisa | 6.3 mi | 94 acres |
| Spitznogle Lake | Louisa | 7.7 mi | 40 acres |
| Lake Odesa | Louisa | 10 mi | 1,744 acres |
| Warnstaff Lake | Louisa | 11 mi | 42 acres |
| Fox Pond | Louisa | 12 mi | 87 acres |
| Muskrat Lake | Louisa | 15 mi | 30 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Iowa Slough Lake
How Big Is Iowa Slough Lake?
Iowa Slough Lake covers 121 acres in Des Moines County, Iowa.
What Is the Largest Lake in Des Moines County?
Iowa Slough Lake is the largest lake in Des Moines County, at 121 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 152592286). Verified October 30, 2026.