6 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 48653 | Roscommon | 9,885 |
| 48629 | Houghton Lake | 7,691 |
| 48651 | Prudenville | 4,369 |
| 48656 | Saint Helen | 3,785 |
| 48627 | Higgins Lake | 129 |
| 48630 | Houghton Lake Heights | 70 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 6 ZCTAs in Roscommon County, Michigan (US Census).