4 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Spooner | 1 | 2,499 | 2,483 | 0.12% | 619 | 4 | City |
| Shell Lake | 2 | 1,406 | 1,367 | 0.5% | 241 | 6 | City |
| Minong | 3 | 561 | 548 | 0.36% | 368 | 2 | Village |
| Birchwood | 4 | 410 | 403 | 0.24% | 380 | 1 | Village |
Spooner is the largest city in Washburn County, with a population of 2,499.
Birchwood is the smallest city in Washburn County, with a population of 410.
There are 4 cities in Washburn County, Wisconsin.