COUNTY · OR
Klamath County, Oregon
Klamath County is a county in Oregon with FIPS code 41035 and an estimated population of 70,003 (Census 2023), 15th largest of 36 in the state.
County facts
- Name
- Klamath County
- State
- Oregon
- Type
- county
- FIPS code
- 41035
- State FIPS
- 41
- Population (2023)
- 70,003
- Change since 2020
- +0.6%
- State rank
- 15 of 36
Population is the Census Bureau’s Vintage 2023 estimate.
Questions
What is the FIPS code for Klamath County?
Klamath County, Oregon has the five-digit FIPS code 41035: 41 for the state and 035 for the county.
What state is Klamath County in?
Klamath County is in Oregon.
How do I know if an address is in this county?
Use the address lookup. ZIP codes and city names can cross county lines, so an address is the reliable check.
Sources: U.S. Census Bureau geographic reference files; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27.