Lakes / Iowa / Clay County / Mud Lake
Mud Lake, Iowa
283 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Iowa
43.19 degrees N, 94.92 degrees W - Clay 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 Mud Lake Stacks Up
- Larger than 79% of the 220 lakes counted in Iowa.
- About 18 miles from Okoboji, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lost Island Lake | Palo Alto | 1.3 mi | 1,152 acres |
| Trumbull Lake | Clay | 1.8 mi | 1,061 acres |
| Blue Wing Marsh | Palo Alto | 2.6 mi | 76 acres |
| Round Lake | Clay | 2.6 mi | 26 acres |
| Dan Green Slough | Clay | 5.0 mi | 278 acres |
| Virgin Lake | Palo Alto | 6.0 mi | 208 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Mud Lake
How Big Is Mud Lake?
Mud Lake covers 283 acres in Clay County, Iowa.
What Is the Largest Lake in Clay County?
Trumbull Lake is the largest lake in Clay County, at 1,061 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 132544611). Verified October 30, 2026.