Census place · GEOID 4139700 · Klamath County
Klamath Falls, OR ZIP codes
2 ZIP/ZCTAs intersecting this Census place in Klamath County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Klamath Falls (GEOID 4139700). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 54,963 (2 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of Klamath Falls, OR

ZIP/ZCTA overlap with Klamath Falls
Population overlap
Share of each ZIP/ZCTA’s population located within Klamath Falls, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Klamath Falls
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 97601 | Klamath Falls | Klamath County | 22,751 | $53,333 |
| 97603 | Klamath Falls | Klamath County | 32,212 | $64,272 |
USPS associates these ZIPs with Klamath Falls
These codes list Klamath Falls as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 97602 | Klamath Falls | Klamath County | 660 | — |
| 97625 | Dairy | Klamath County | 139 | $140,357 |