Founded in 1907, Osage County is one of 77 counties in the state of Oklahoma. Historically, Osage County was formed from Coterminous with Osage Reservation. The city of Pawhuska is the county seat. With FIPS code of 113, Osage County has a population of 45,772 and area of 2,251 square miles (5,830 km2).
List of all cities in Osage County, OK alphabetically
| City/Town | Postal Code | Area Code |
| Avant, OK | 74001 | 918 |
| Barnsdall, OK | 74002 | 918 |
| Bowring, OK | 74056 | 918 |
| Burbank, OK | 74633 | 918 |
| Fairfax, OK | 74637 | 918 |
| Foraker, OK | 74652 | 918 |
| Herd, OK | 74056 | 918 |
| Hominy, OK | 74035 | 918 |
| Nelagony, OK | 74056 | 918 |
| Osage, OK | 74054 | 918 |
| Pawhuska, OK | 74056 | 918 |
| Pearsonia, OK | 74056 | 918 |
| Pershing, OK | 74002 | 918 |
| Prue, OK | 74060 | 918 |
| Shidler, OK | 74652 | 918 |
| Tallant, OK | 74002 | 918 |
| Wolco, OK | 74002 | 918 |
| Wynona, OK | 74084 | 918 |