Founded in 1907, Adair County is one of 77 counties in the state of Oklahoma. Historically, Adair County was formed from Cherokee lands. The city of Stilwell is the county seat. With FIPS code of 1, Adair County has a population of 19,414 and area of 576 square miles (1,492 km2).
List of all cities in Adair County, OK alphabetically
| City/Town | Postal Code | Area Code |
| Bunch, OK | 74931 | 918 |
| Proctor, OK | 74457 | 918 |
| Stilwell, OK | 74960 | 918 |
| Watts, OK | 74964 | 918 |
| Westville, OK | 74965 | 918 |