Lakes / Iowa / Polk County / Grays Lake
Grays Lake, Iowa
96 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Iowa
41.57 degrees N, 93.64 degrees W - Polk 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 Grays Lake Stacks Up
- Larger than 50% of the 220 lakes counted in Iowa.
- About 1 miles from Des Moines, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lake Easter | Polk | 4.5 mi | 177 acres |
| Lake Colechester | Warren | 5.3 mi | 153 acres |
| Dale Maffit Reservoir | Dallas | 8.9 mi | 187 acres |
| Saylorville Lake | Polk | 14 mi | 5,428 acres |
| Brenton Slough | Polk | 14 mi | 62 acres |
| Big Creek Lake | Polk | 18 mi | 856 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Grays Lake
How Big Is Grays Lake?
Grays Lake covers 96 acres in Polk County, Iowa.
What Is the Largest Lake in Polk County?
Saylorville Lake is the largest lake in Polk County, at 5,428 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 137046695). Verified October 30, 2026.