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.

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Zip Code
Population
City
9760332,376Klamath Falls
9760122,302Klamath Falls
976243,643Chiloquin
976232,705Bonanza
976321,608Malin
976331,526Merrill
97627654Keno
97737492Gilchrist
97733468Crescent
97634445Midland
97731273Chemult
97621239Beatty
97626223Fort Klamath
97622223Bly
97625124Dairy
9763933Sprague River
97604Crater Lake
showing: 17 rows

Zip Codes in Klamath County, Oregon by Population (2024)