There are 17 zip codes in Klamath County, Oregon. The most populated is 97603, located in Klamath Falls. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | Population | City |
|---|---|---|
| 97603 | 32,376 | Klamath Falls |
| 97601 | 22,302 | Klamath Falls |
| 97624 | 3,643 | Chiloquin |
| 97623 | 2,705 | Bonanza |
| 97632 | 1,608 | Malin |
| 97633 | 1,526 | Merrill |
| 97627 | 654 | Keno |
| 97737 | 492 | Gilchrist |
| 97733 | 468 | Crescent |
| 97634 | 445 | Midland |
| 97731 | 273 | Chemult |
| 97621 | 239 | Beatty |
| 97626 | 223 | Fort Klamath |
| 97622 | 223 | Bly |
| 97625 | 124 | Dairy |
| 97639 | 33 | Sprague River |
| 97604 | 0 | Crater Lake |