Lakes / Iowa / Dickinson County / Diamond Lake
Diamond Lake, Dickinson County, Iowa
129 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Iowa
43.48 degrees N, 95.19 degrees W - Dickinson 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 Diamond Lake Stacks Up
- Larger than 61% of the 220 lakes counted in Iowa.
- About 7 miles from Okoboji, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Welsh Lake | Dickinson | 1.7 mi | 57 acres |
| Grovers Lake | Dickinson | 2.2 mi | 255 acres |
| West Hottes Lake | Dickinson | 2.3 mi | 226 acres |
| Marble Lake | Dickinson | 2.9 mi | 166 acres |
| East Hottes Lake | Dickinson | 3.0 mi | 71 acres |
| Spirit Lake | Dickinson | 4.8 mi | 5,463 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Diamond Lake
How Big Is Diamond Lake?
Diamond Lake covers 129 acres in Dickinson County, Iowa.
What Is the Largest Lake in Dickinson County?
Spirit Lake is the largest lake in Dickinson County, at 5,463 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 132542958). Verified October 30, 2026.