6 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Spooner | 1 | 2,466 | 2,471 | -0.04% | 611 | 4.03 | City |
| Shell Lake | 2 | 1,389 | 1,376 | 0.22% | 238 | 5.85 | City |
| Minong | 3 | 558 | 547 | 0.36% | 366 | 1.52 | Village |
| Birchwood | 4 | 407 | 402 | 0.25% | 377 | 1.08 | Village |
| Springbrook | 5 | 93 | 40 | 8.14% | 129 | 0.72 | CDP |
| Trego | 6 | 59 | 112 | -16.9% | 52 | 1.15 | CDP |
Spooner is the largest city in Washburn County, with a population of 2,466.
Trego is the smallest city in Washburn County.
There are 6 cities in Washburn County, Wisconsin.