Lakes / Iowa / Johnson County / Swan Lake
Swan Lake, Johnson County, Iowa
35 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Iowa
41.77 degrees N, 91.68 degrees W - Johnson 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 Swan Lake Stacks Up
- Larger than 14% of the 220 lakes counted in Iowa.
- About 14 miles from Cedar Rapids, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lake MacBride | Johnson | 6.8 mi | 866 acres |
| Lily Pond | Iowa | 11 mi | 166 acres |
| Cedar Lake | Linn | 15 mi | 114 acres |
| Hannen Lake | Benton | 23 mi | 38 acres |
| Big Lewis Lake | Linn | 26 mi | 26 acres |
| Little Lewis Lake | Linn | 26 mi | 37 acres |
Straight-line distance between lake centers.
Facts and Figures
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 155097934). Verified October 30, 2026.