Klamath County, Oregon ZIP codes
18 ZIP codes are in Klamath County, plus 1 that cross in from neighboring counties. It's part of the Klamath Falls, OR micro area.
- ZIP codes
- 18
- Population in these ZIPs
- 68,333
- Avg. median income
- $60,200population-weighted
- Cities & towns
- 16
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Klamath County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 97601 | Klamath Falls | 22,964 | $51,780 | $268,600 |
| 97602 PO Box | Klamath Falls | — | — | — |
| 97603 | Klamath Falls | 33,222 | $66,937 | $319,000 |
| 97604 | Crater Lake | 0 | — | — |
| 97621 | Beatty | 257 | $23,786 | $244,700 |
| 97622 | Bly | 369 | $24,902 | $208,200 |
| 97623 | Bonanza | 2,813 | $66,927 | $294,700 |
| 97624 | Chiloquin | 3,643 | $48,628 | $291,200 |
| 97625 | Dairy | 134 | $123,409 | $229,400 |
| 97626 | Fort Klamath | 251 | — | $251,400 |
| 97627 | Keno | 229 | $63,563 | $340,500 |
| 97632 | Malin | 1,600 | $44,167 | $281,000 |
| 97633 | Merrill | 1,246 | $62,019 | $274,700 |
| 97634 | Midland | 277 | $68,450 | $306,100 |
| 97639 | Sprague River | 15 | — | $230,700 |
| 97731 | Chemult | 117 | $147,679 | $428,600 |
| 97733 | Crescent | 639 | $45,759 | $403,000 |
| 97737 | Gilchrist | 557 | $107,546 | $276,200 |
ZIP codes partly in Klamath County
These ZIP codes are mostly in a neighboring county but cover part of Klamath County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 97739 | La Pine | Deschutes County | 13,183 | $58,579 | $396,600 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Klamath County
Nearby counties
Frequently asked questions
How many ZIP codes are in Klamath County, Oregon?
18 ZIP codes are mainly in Klamath County, and 1 more ZIP codes from neighboring areas reach partly into it.
What cities are in Klamath County?
ZIP codes in Klamath County use the city names Beatty, Bly, Bonanza, Chemult, Chiloquin, Crater Lake, Crescent, Dairy, Fort Klamath, Gilchrist, Keno and Klamath Falls and others.
What metro area is Klamath County in?
Klamath County is part of the Klamath Falls, OR micropolitan statistical area.