| ZIP Code | 57720 |
| City | Buffalo |
| State | South Dakota (SD) |
| County | Harding |
| Timezone | America/Denver |
| Coordinates | 45.5497000, -103.6065500 |
| Population | 518 |
| ZIP Type | STANDARD |
| Country | United States |
Located in South Dakota, the United States is home to the sparsely populated community of Buffalo, served by ZIP code 57720. It sits within Harding County.
Census data puts the population of this ZIP code at 518 residents. That's below the South Dakota average of about 2,435 people per ZIP code.
Other ZIP code codes in South Dakota serve areas such as Sioux Falls, Rapid City.
The ZIP code for Buffalo, South Dakota is 57720.
57720 is located in Harding County, South Dakota.
The population of 57720 (Buffalo) is approximately 518 people.
57720 is less populated than the typical South Dakota ZIP code, which averages around 2,435 people.
ZIP code codes near 57720 include 57106, 57701, 57702.