| City | County | 2026 Pop. ↓ |
|---|---|---|
| Jacksonville | Cherokee County | 14,817 |
| Josephine | Collin County | 11,843 |
| Joshua | Johnson County | 9,661 |
| Jacinto City | Harris County | 9,352 |
| Justin | Denton County | 7,709 |
| Jersey Village | Harris County | 7,686 |
| Jasper | Jasper County | 7,651 |
| Jarrell | Williamson County | 6,710 |
| Jacksboro | Jack County | 4,860 |
| Jourdanton | Atascosa County | 4,839 |
| Jonestown | Travis County | 2,748 |
| Junction | Kimble County | 2,529 |
| Johnson City | Blanco County | 2,208 |
| Jefferson | Marion County | 2,062 |
| Jones Creek | Brazoria County | 1,955 |
| Jamaica Beach | Galveston County | 1,070 |
| Jewett | Leon County | 855 |
| Joaquin | Shelby County | 733 |
| Jayton | Kent County | 443 |
| J.F. Villareal | Starr County | 406 |
| Juarez | Cameron County | 233 |
| Jolly | Clay County | 169 |