City | 2024 Population |
|---|---|
| Jackson | 8,102 |
| Jacksonport | 888 |
| Jacobs | 652 |
| Jamestown | 2,228 |
| Janesville | 66,155 |
| Jefferson | 7,494 |
| Jim Falls | 211 |
| Johnson | 843 |
| Johnson Creek | 3,512 |
| Johnstown | 510 |
| Jolmaville | 97 |
| Jordan | 592 |
| Juda | 385 |
| Jump River | 55 |
| Junction City | 411 |
| Juneau | 2,436 |