10 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| River Falls | 1 | 17,373 | 16,277 | 1.28% | 2,397 | 7.25 | City |
| Prescott | 2 | 4,586 | 4,333 | 1.12% | 1,618 | 2.83 | City |
| Ellsworth | 3 | 3,269 | 3,341 | -0.43% | 861 | 3.80 | Village |
| Spring Valley | 4 | 1,436 | 1,403 | 0.49% | 362 | 3.96 | Village |
| Elmwood | 5 | 801 | 823 | -0.5% | 529 | 1.51 | Village |
| Plum City | 6 | 573 | 597 | -0.87% | 550 | 1.04 | Village |
| Bay City | 7 | 438 | 442 | -0.23% | 741 | 0.59 | Village |
| Diamond Bluff | 8 | 213 | 233 | 0.47% | 122 | 1.75 | CDP |
| Hager City | 9 | 199 | 272 | -4.33% | 103 | 1.93 | CDP |
| Maiden Rock | 10 | 114 | 116 | 0% | 95 | 1.21 | Village |
River Falls is the largest city in Pierce County, with a population of 17,373.
Maiden Rock is the smallest city in Pierce County.
There are 10 cities in Pierce County, Wisconsin.