How many people live in Klamath County, OR?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 70,400 people living in Klamath County, OR. That makes Klamath County the 15th-most populous county in Oregon. It is home to 1.6% of people living in the state.
70.4K
population of Klamath County, OR (2024)
1.6%
County share of the Oregon population (2024)
About 70,400 people lived in Klamath County, OR in 2024.
Population estimates, 2000–2024
What are Klamath County, OR’s age demographics?
About 16,200 Klamath County residents are aged 65 and older in 2024. That represents 23% of its population. For comparison, the age group represents 19.9% of Oregon’s population and 18% in the US overall.
Another 15,100 Klamath County residents, or 21.5% of the population, were children under 18. For comparison, the age group represents 19.3% of Oregon’s population and 21.6% in the US overall.
A higher share of Klamath County, OR's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Klamath County, OR’s racial and ethnic demographics?
Non-Hispanic white residents make up 75.4% of the Klamath County, OR population, higher than the national share of 57.5%. Klamath County, OR also has a larger share of people identifying as non-Hispanic two or more races (4%) than the US overall (2.5%).
In contrast, Klamath County’s non-Hispanic Black or African American population accounts for 0.72%, below the 12.6% nationwide, and the non-Hispanic Asian population makes up 1.2% of the county, compared with 6.5% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Klamath County, OR has a higher share of a non-Hispanic white population than Oregon as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Klamath County, OR is Klamath Falls with about 22,200 residents in 2024.
Cities and towns in Klamath County, OR ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Klamath Falls | 22,174 |
| 2. | Merrill | 868 |
| 3. | Chiloquin | 769 |
| 4. | Malin | 740 |
| 5. | Bonanza | 415 |
| 6. | Balance of Klamath County | 45,472 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
