13 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Washburn | 1 | 2,058 | 2,041 | 0.15% | 526 | 4 | City |
| Washburn | 2 | 2,058 | 2,042 | 0.15% | 526 | 4 | City |
| Iron River | 3 | 684 | 652 | -0.73% | 109 | 6 | CDP |
| Bayfield | 4 | 593 | 586 | 0.17% | 683 | 1 | City |
| Bayfield | 5 | 593 | 588 | 0.17% | 683 | 1 | City |
| Cable | 6 | 184 | 126 | -0.54% | 169 | 1 | CDP |
| Port Wing | 7 | 174 | 167 | 0.58% | 151 | 1 | CDP |
| Drummond | 8 | 170 | 124 | 0.59% | 122 | 1 | CDP |
| Cornucopia | 9 | 129 | 88 | 7.5% | 57 | 2 | CDP |
| Herbster | 10 | 108 | 83 | 0% | 19 | 6 | CDP |
| Mason | 11 | 105 | 103 | 0% | 137 | 1 | Village |
| Mason | 12 | 105 | 103 | 0% | 137 | 1 | Village |
| Grand View | 13 | 87 | 103 | -5.43% | 118 | 1 | CDP |
Washburn is the largest city in Bayfield County, with a population of 2,058.
Grand View is the smallest city in Bayfield County, with a population of 87.
There are 13 cities in Bayfield County, Wisconsin.