| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Black River Falls | 1 | 3,571 | 3,509 | 0.45% | 842 | 4 | City |
| Merrillan | 2 | 540 | 563 | -0.74% | 426 | 1 | Village |
| Melrose | 3 | 524 | 540 | -0.76% | 654 | 1 | Village |
| Alma Center | 4 | 469 | 485 | -0.85% | 468 | 1 | Village |
| Taylor | 5 | 465 | 483 | -0.64% | 638 | 1 | Village |
| Hixton | 6 | 435 | 454 | -0.68% | 381 | 1 | Village |
Black River Falls is the largest city in Jackson County, with a population of 3,571.
Hixton is the smallest city in Jackson County, with a population of 435.
There are 6 cities in Jackson County, Wisconsin.