Custer State Park Custer is located at 43.738529, -103.492661 geo coordinates. Custer State Park, Custer, SD 57730 is located in South Dakota, United States Of America. Postal code is: 57730
| Latitude | Longitude |
|---|---|
| 43.738529 | -103.492661 |
| DMS Latitude | DMS Longitude |
|---|---|
| 43° 44´ 18.7044'' N | 103° 29´ 33.5796'' W |