11 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Stevens Point | 1 | 26,844 | 25,707 | 0.71% | 1,537 | 17 | City |
| Plover | 2 | 14,531 | 13,561 | 1.13% | 1,366 | 11 | Village |
| Whiting | 3 | 1,669 | 1,602 | 0.66% | 922 | 2 | Village |
| Amherst | 4 | 1,141 | 1,114 | 0.44% | 891 | 1 | Village |
| Biron | 5 | 856 | 841 | 0.35% | 185 | 5 | Village |
| Park Ridge | 6 | 552 | 528 | 0.73% | 2,432 | 0 | Village |
| Rosholt | 7 | 465 | 476 | -0.43% | 443 | 1 | Village |
| Junction City | 8 | 417 | 420 | 0% | 277 | 2 | Village |
| Almond | 9 | 414 | 425 | -0.48% | 395 | 1 | Village |
| Amherst Junction | 10 | 380 | 386 | -0.26% | 307 | 1 | Village |
| Nelsonville | 11 | 161 | 161 | 0% | 156 | 1 | Village |
Stevens Point is the largest city in Portage County, with a population of 26,844.
Nelsonville is the smallest city in Portage County, with a population of 161.
There are 11 cities in Portage County, Wisconsin.