| City | County | 2026 Pop. ↓ |
|---|---|---|
| Ardmore | Carter County | 25,049 |
| Altus | Jackson County | 18,686 |
| Ada | Pontotoc County | 16,689 |
| Anadarko | Caddo County | 5,390 |
| Alva | Woods County | 4,870 |
| Atoka | Atoka County | 2,985 |
| Antlers | Pushmataha County | 2,181 |
| Arkoma | Le Flore County | 1,873 |
| Apache | Caddo County | 987 |
| Allen | Pontotoc County | 804 |
| Afton | Ottawa County | 755 |
| Adair | Mayes County | 753 |
| Arapaho | Custer County | 659 |
| Alex | Grady County | 519 |
| Akins | Sequoyah County | 500 |
| Arnett | Ellis County | 478 |
| Amber | Grady County | 475 |
| Achille | Bryan County | 440 |
| Asher | Pottawatomie County | 375 |
| Arpelar | Pittsburg County | 343 |
| Agra | Lincoln County | 334 |
| Avant | Osage County | 302 |
| Alderson | Pittsburg County | 220 |
| Adams | Texas County | 204 |
| Arcadia | Oklahoma County | 188 |
| Ames | Major County | 187 |
| Aline | Alfalfa County | 168 |
| Albany | Bryan County | 152 |
| Armstrong | Atoka County | 125 |
| Addington | Jefferson County | 85 |
| Atwood | Hughes County | 85 |
| Albion | Pushmataha County | 61 |
| Amorita | Alfalfa County | 39 |
| Ashland | Hughes County | 33 |
| Avard | Alfalfa County | 16 |
| Adamson | Latimer County | 10 |