| Official Name: | Rumford, South Dakota |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | South Dakota#USA |
| Pushpin Label: | Rumford |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | South Dakota |
| Subdivision Type2: | County |
| Subdivision Name2: | Fall River |
| Unit Pref: | Imperial |
| Population As Of: | 2000 |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Coordinates: | 43.1267°N -103.6981°W |
| Elevation Ft: | 3517 |
| Area Code: | 605 |
| Blank Name: | FIPS code |
| Blank Info: | 46-56700[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1262342 |
Rumford is an unincorporated community in Fall River County, South Dakota, United States. It is located on South Dakota Highway 471, 19miles southeast of Edgemont. Rumford is not tracked by the Census Bureau and shares a ZIP code (57735) with Edgemont and other surrounding towns and rural areas.
Rumford was founded in 1889 when Burlington Northern extended the railroad line and built a station at this location. The railroad company changed the name from Siding No. 5 to Rumford in 1894.[2]