7 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| La Crosse | 1 | 50,243 | 52,660 | -0.8% | 2,314 | 22 | City |
| Onalaska | 2 | 20,413 | 18,867 | 1.28% | 1,924 | 11 | City |
| Holmen | 3 | 12,416 | 10,765 | 2.27% | 1,577 | 8 | Village |
| West Salem | 4 | 5,293 | 5,331 | -0.11% | 1,580 | 3 | Village |
| Bangor | 5 | 1,636 | 1,446 | 2% | 976 | 2 | Village |
| Rockland | 6 | 748 | 769 | -0.4% | 1,123 | 1 | Village |
| Melvina | 7 | 92 | 92 | 0% | 189 | 0 | Village |
La Crosse is the largest city in La Crosse County, with a population of 50,243.
Melvina is the smallest city in La Crosse County, with a population of 92.
There are 7 cities in La Crosse County, Wisconsin.