11 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 54481 | Stevens Point | 27,878 |
| 54467 | Plover | 14,889 |
| 54482 | Stevens Point | 9,107 |
| 54406 | Amherst | 4,008 |
| 54473 | Rosholt | 2,405 |
| 54423 | Custer | 2,235 |
| 54443 | Junction City | 2,111 |
| 54909 | Almond | 2,042 |
| 54921 | Bancroft | 1,351 |
| 54407 | Amherst Junction | 1,338 |
| 54458 | Nelsonville | 135 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 11 ZCTAs in Portage County, Wisconsin (US Census).