36 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Killeen | Bell County | 162,330 |
| Kyle | Hays County | 70,683 |
| Keller | Tarrant County | 46,874 |
| Katy | Fort Bend County | 29,071 |
| Kerrville | Kerr County | 25,340 |
| Kingsville | Kleberg County | 24,774 |
| Kilgore | Gregg County | 13,636 |
| Kennedale | Tarrant County | 11,336 |
| Kaufman | Kaufman County | 10,383 |
| Kirby | Bexar County | 8,093 |
| Kingsland | Llano County | 7,336 |
| Krum | Denton County | 7,100 |
| Keene | Johnson County | 7,055 |
| Kermit | Winkler County | 5,826 |
| Karnes City | Karnes County | 3,627 |
| Kenedy | Karnes County | 3,351 |
| Kemah | Galveston County | 3,113 |
| Kountze | Hardin County | 2,166 |
| Krugerville | Denton County | 2,056 |
| Kirbyville | Jasper County | 2,020 |
| Kerens | Navarro County | 1,505 |
| Kemp | Kaufman County | 1,481 |
| Kempner | Lampasas County | 1,316 |
| Knippa | Uvalde County | 1,146 |
| Knox City | Knox County | 1,024 |
| Kenefick | Chambers County | 853 |
| Knollwood | Grayson County | 817 |
| K-Bar Ranch | Duval County | 674 |
| Kress | Swisher County | 590 |
| Kosse | Limestone County | 465 |
| Kendleton | Fort Bend County | 411 |
| Kurten | Brazos County | 407 |
| Kennard | Houston County | 288 |
| Kingsbury | Guadalupe County | 143 |
| Kopperl | Bosque County | 129 |
| Kirvin | Freestone County | 108 |