14 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Stevens Point | 1 | 25,789 | 25,696 | 0.07% | 1,491 | 17.30 | City |
| Plover | 2 | 14,490 | 13,539 | 1.33% | 1,362 | 10.64 | Village |
| Whiting | 3 | 1,594 | 1,604 | -0.13% | 881 | 1.81 | Village |
| Amherst | 4 | 1,125 | 1,124 | 0% | 879 | 1.28 | Village |
| Biron | 5 | 864 | 841 | 0.58% | 186 | 4.64 | Village |
| Chain O' Lakes | 6 | 857 | 909 | -1.04% | 250 | 3.42 | CDP |
| Bancroft | 7 | 732 | 540 | 1.81% | 144 | 5.09 | CDP |
| Polonia | 8 | 700 | 636 | 1.74% | 210 | 3.34 | CDP |
| Park Ridge | 9 | 535 | 530 | 0.19% | 2,357 | 0.23 | Village |
| Rosholt | 10 | 462 | 477 | -0.65% | 440 | 1.05 | Village |
| Almond | 11 | 411 | 425 | -0.73% | 392 | 1.05 | Village |
| Junction City | 12 | 410 | 420 | -0.48% | 272 | 1.51 | Village |
| Amherst Junction | 13 | 372 | 387 | -0.8% | 301 | 1.24 | Village |
| Nelsonville | 14 | 156 | 161 | -0.64% | 152 | 1.03 | Village |
Stevens Point is the largest city in Portage County, with a population of 25,789.
Nelsonville is the smallest city in Portage County.
There are 14 cities in Portage County, Wisconsin.