| County Name | Lyman County |
| FIPS Code | 46085 |
| Population | 3755 |
| Unemployment Rate | 3.0% |
| Time Zone: | Central Daylight Time |
| List of Counties that Border Lyman County, South Dakota |
|---|
| Brule, SD |
| Buffalo, SD |
| Charles Mix, SD |
| Gregory, SD |
| Hughes, SD |
| Hyde, SD |
| Jones, SD |
| Lyman, SD |
| Mellette, SD |
| Stanley, SD |
| Tripp, SD |