Founded in 1889, Harney County is one of 36 counties in the state of Oregon. Historically, Harney County was formed from Southern two-thirds of Grant County. The city of Burns is the county seat. With FIPS code of 25, Harney County has a population of 7,575 and area of 10,135 square miles (26,250 km2).
List of all cities in Harney County, OR alphabetically
| City/Town | Postal Code | Area Code |
| Burns, OR | 97710 | 541 |
| 97720 | 541 | |
| Crane, OR | 97732 | 541 |
| Diamond, OR | 97722 | 541 |
| Drewsey, OR | 97904 | 541 |
| Fields, OR | 97710 | 541 |
| Frenchglen, OR | 97736 | 541 |
| Hines, OR | 97738 | 541 |
| Lawen, OR | 97720 | 541 |
| Princeton, OR | 97721 | 541 |
| Riley, OR | 97758 | 541 |