Founded in 1907, Grady County is one of 77 counties in the state of Oklahoma. Historically, Grady County was formed from Pickens County, Chickasaw Nation. The city of Chickasha is the county seat. With FIPS code of 51, Grady County has a population of 55,508 and area of 1,101 square miles (2,852 km2).
List of all cities in Grady County, OK alphabetically
| City/Town | Postal Code | Area Code |
| Alex, OK | 73002 | 405 |
| Amber, OK | 73004 | 405 |
| Bradley, OK | 73011 | 405 |
| Chickasha, OK | 73018 | 405 |
| 73023 | 405 | |
| Minco, OK | 73059 | 405 |
| Ninnekah, OK | 73067 | 405 |
| Pocasset, OK | 73079 | 405 |
| Rush Springs, OK | 73082 | 405 |
| Tuttle, OK | 73089 | 580 |
| Verden, OK | 73092 | 405 |