6 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Rhinelander | 1 | 8,284 | 8,294 | -0.02% | 984 | 8 | City |
| Rhinelander | 2 | 8,284 | 8,291 | -0.02% | 984 | 8 | City |
| Woodruff | 3 | 544 | 702 | -4.9% | 384 | 1 | CDP |
| Minocqua | 4 | 436 | 276 | -0.23% | 603 | 1 | CDP |
| Three Lakes | 5 | 390 | 498 | -3.47% | 138 | 3 | CDP |
| Lake Tomahawk | 6 | 159 | 140 | -3.05% | 103 | 2 | CDP |
Rhinelander is the largest city in Oneida County, with a population of 8,284.
Lake Tomahawk is the smallest city in Oneida County, with a population of 159.
There are 6 cities in Oneida County, Wisconsin.