Founded in 1885, Oliver County is one of 53 counties in the state of North Dakota. The city of Center is the county seat. With FIPS code of 65, Oliver County has a population of 1,873 and area of 724 square miles (1,875 km2).
List of all cities in Oliver County, ND alphabetically
| City/Town | Postal Code | Area Code |
| Center, ND | 58530 | 701 |
| Fort Clark, ND | 58530 | 701 |
| Hensler, ND | 58530 | 701 |
| Price, ND | 58530 | 701 |
| Sanger, ND | 58530 | 701 |