6 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Black River Falls | 1 | 3,575 | 3,514 | 0.34% | 843 | 4 | City |
| Merrillan | 2 | 545 | 565 | -0.73% | 430 | 1 | Village |
| Melrose | 3 | 520 | 543 | -0.95% | 649 | 1 | Village |
| Alma Center | 4 | 468 | 486 | -0.85% | 467 | 1 | Village |
| Taylor | 5 | 464 | 482 | -0.85% | 636 | 1 | Village |
| Hixton | 6 | 438 | 455 | -0.9% | 384 | 1 | Village |
Black River Falls is the largest city in Jackson County, with a population of 3,575.
Hixton is the smallest city in Jackson County, with a population of 438.
There are 6 cities in Jackson County, Wisconsin.