36 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Killeen | Bell County | 164,045 |
| Kyle | Hays County | 75,533 |
| Keller | Tarrant County | 47,105 |
| Katy | Fort Bend County | 30,402 |
| Kerrville | Kerr County | 25,540 |
| Kingsville | Kleberg County | 24,665 |
| Kilgore | Gregg County | 13,689 |
| Kennedale | Tarrant County | 11,902 |
| Kaufman | Kaufman County | 10,981 |
| Kirby | Bexar County | 8,082 |
| Kingsland | Llano County | 7,527 |
| Krum | Denton County | 7,401 |
| Keene | Johnson County | 7,180 |
| Kermit | Winkler County | 5,744 |
| Karnes City | Karnes County | 3,634 |
| Kemah | Galveston County | 3,374 |
| Kenedy | Karnes County | 3,324 |
| Kountze | Hardin County | 2,207 |
| Krugerville | Denton County | 2,112 |
| Kirbyville | Jasper County | 2,020 |
| Kemp | Kaufman County | 1,549 |
| Kerens | Navarro County | 1,502 |
| Kempner | Lampasas County | 1,349 |
| Knippa | Uvalde County | 1,068 |
| Knox City | Knox County | 1,016 |
| Kenefick | Chambers County | 899 |
| Knollwood | Grayson County | 828 |
| Kress | Swisher County | 588 |
| K-Bar Ranch | Duval County | 562 |
| Kosse | Limestone County | 467 |
| Kendleton | Fort Bend County | 416 |
| Kurten | Brazos County | 408 |
| Kennard | Houston County | 291 |
| Kopperl | Bosque County | 155 |
| Kingsbury | Guadalupe County | 144 |
| Kirvin | Freestone County | 110 |