18 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Ladysmith | 1 | 3,168 | 3,264 | -0.6% | 750 | 4 | City |
| Ladysmith | 2 | 3,168 | 3,261 | -0.6% | 750 | 4 | City |
| Bruce | 3 | 748 | 779 | -0.8% | 324 | 2 | Village |
| Bruce | 4 | 748 | 778 | -0.8% | 324 | 2 | Village |
| Hawkins | 5 | 326 | 330 | -0.31% | 148 | 2 | Village |
| Hawkins | 6 | 326 | 331 | -0.31% | 148 | 2 | Village |
| Sheldon | 7 | 256 | 261 | -0.39% | 387 | 1 | Village |
| Sheldon | 8 | 256 | 261 | -0.39% | 387 | 1 | Village |
| Weyerhaeuser | 9 | 226 | 230 | -0.44% | 241 | 1 | Village |
| Weyerhaeuser | 10 | 226 | 230 | -0.44% | 241 | 1 | Village |
| Tony | 11 | 98 | 101 | -1.01% | 48 | 2 | Village |
| Tony | 12 | 98 | 101 | -1.01% | 48 | 2 | Village |
| Glen Flora | 13 | 97 | 100 | -1.02% | 172 | 1 | Village |
| Glen Flora | 14 | 97 | 100 | -1.02% | 172 | 1 | Village |
| Conrath | 15 | 89 | 89 | 0% | 170 | 1 | Village |
| Conrath | 16 | 89 | 89 | 0% | 170 | 1 | Village |
| Ingram | 17 | 70 | 73 | -1.41% | 70 | 1 | Village |
| Ingram | 18 | 70 | 73 | -1.41% | 70 | 1 | Village |
Ladysmith is the largest city in Rusk County, with a population of 3,168.
Ingram is the smallest city in Rusk County, with a population of 70.
There are 18 cities in Rusk County, Wisconsin.