10 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 59254 | Plentywood | 1,900 |
| 59275 | Westby | 559 |
| 59247 | Medicine Lake | 303 |
| 59211 | Antelope | 255 |
| 59219 | Dagmar | 205 |
| 59258 | Reserve | 178 |
| 59256 | Raymond | 122 |
| 59252 | Outlook | 82 |
| 59242 | Homestead | 68 |
| 59257 | Redstone | 67 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 10 ZCTAs in Sheridan County, Montana (US Census).