Founded in 1892, Grant County is one of 77 counties in the state of Oklahoma. Historically, Grant County was formed from County L. The city of Medford is the county seat. With FIPS code of 53, Grant County has a population of 4,131 and area of 1,001 square miles (2,593 km2).
List of all cities in Grant County, OK alphabetically
| City/Town | Postal Code | Area Code |
| Deer Creek, OK | 74636 | 580 |
| Lamont, OK | 74643 | 580 |
| Manchester, OK | 73758 | 580 |
| Medford, OK | 73759 | 580 |
| Nash, OK | 73761 | 580 |
| Pond Creek, OK | 73766 | 580 |
| Wakita, OK | 73771 | 580 |