| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Spooner | 1 | 2,536 | 2,480 | 0.2% | 629 | 4 | City |
| Shell Lake | 2 | 1,421 | 1,362 | 0.5% | 243 | 6 | City |
| Minong | 3 | 559 | 547 | 0.54% | 367 | 2 | Village |
| Birchwood | 4 | 413 | 403 | 0.24% | 383 | 1 | Village |
Spooner is the largest city in Washburn County, with a population of 2,536.
Birchwood is the smallest city in Washburn County, with a population of 413.
There are 4 cities in Washburn County, Wisconsin.