Klamath County, Oregon Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 15th-largest in Oregon
The population of Klamath County, Oregon is 69,812 as of the 2023 American Community Survey, making it the 15th-largest county in Oregon. The median household income is $59,353, the median home value is $255,700, and the median age is 41.3.
The population of Klamath County has grown 6.2% since 2010 (66,323 → 70,438), a +0.43% annualized rate.
69,812
Population
+0.43%
Annual growth
12
People / sq mi
$59,353
Median Income
$255,700
Median Home Value
Klamath County covers 5,950 sq mi of land at 11.7 people per square mile.
About Klamath County, OR
Klamath County is distinguished by its share of foreign-born residents, 46.3% of the population. Klamath County is a county in Oregon with a population of 69,812. It ranks #15 among counties in Oregon by population.
Median household income is $59,353, below the US median of $78,538. Poverty sits at 12.0%, close to the national 12.4%. Home values run above average at $255,700, with typical rent around $973.
Degree attainment is mid-range for US counties: 21.5% of adults hold a four-year degree, below the national 35.0%. Around 8.3% of workers work from home, below the national 14.0%, and the average commute runs about 18 minutes each way.
The large foreign-born share is a defining thread in Klamath County, shaping language, household composition, and the labor force behind the economic figures above.
Klamath County Population History (2010-2024)
The county of Klamath County had a population of 66,323 in 2010 and 70,438 in 2024, a 6.2% growth over 14 years. The peak was 70,438 in 2024. Average annual growth rate: 0.43%.
70,438
Population (2024)
66,323
Population (2010)
70,438
Peak (2024)
0.43%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 66,323 |
| 2011 | 66,322 |
| 2012 | 65,936 |
| 2013 | 65,719 |
| 2014 | 65,333 |
| 2015 | 65,742 |
| 2016 | 66,287 |
| 2017 | 66,853 |
| 2018 | 67,810 |
| 2019 | 68,343 |
| 2020 | 69,631 |
| 2021 | 70,415 |
| 2022 | 70,404 |
| 2023 | 70,347 |
| 2024 | 70,438 |
Race & Ethnicity
| White | 79.6% |
| Black or African American | 0.7% |
| Asian | 0.1% |
| Hispanic or Latino (any race) | 6.8% |
| Two or More Races | 0.1% |
Age & Sex
41.3
Median Age
49.7%
Female
50.3%
Male
22.1%
Age 65+
Age Distribution
Children (under 15): 18.1% · Seniors (65+): 22.1%
Income & Poverty
| Median household income | $59,353$-21,073 vs state |
| Mean household income | $79,314 |
| Per-capita income | $32,939 |
| Poverty rate | 12.0%+4.7% vs state |
| Unemployment rate | 4.0% |
| Employment-to-population | 46.9% |
Top Industries by Employment
The largest employment sector in Klamath County is professional & business services, accounting for 26.8% of workers.
How residents commute
0.2%
Drive alone
2.8%
Carpool
80.1%
Public transit
8.3%
Work from home
17.7 min
Avg commute
Housing
$255,700$-198,500 vs state
Median home value
$973
Median rent
68.7%
Homeownership rate
33,004
Total housing units
87.4%
Occupied
12.6%
Vacant
31.3%
Renter-occupied
Social & access
92.7%
With health insurance
95.0%
With broadband internet
46.3%
Foreign-born
10.3%
Veterans (18+)
19.5%
With a disability
91.2%
Speak language other than English at home
Education
89.6%
High School+
21.5%
Bachelor's+
Largest cities in Oregon
Other counties in Oregon
Part of Oregon
Metro areas in Oregon
County rankings
Frequently Asked Questions
Klamath County, Oregon has a population of 69,812 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 15th-largest county in Oregon. Population density is 12 people per square mile.
The population of Klamath County has grown 6.2% since 2010 (66,323 → 70,438), a +0.43% annualized rate.
The median household income in Klamath County, Oregon is $59,353, with mean (average) household income of $79,314 and per-capita income of $32,939. 12.0% of residents live below the federal poverty level.
In Klamath County, the largest racial and ethnic groups are White (79.6%), Hispanic or Latino (6.8%), Black or African American (0.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Klamath County, Oregon is 41.3 years. Residents are 49.7% female and 50.3% male.
The median home value in Klamath County is $255,700 and median monthly rent is $973. 68.7% of occupied housing units are owner-occupied. The county has 33,004 total housing units, 12.6% of which are vacant.
The largest employment sector in Klamath County, Oregon is professional, scientific, and management services, employing 26.8% of workers. The unemployment rate is 4.0%.
Portland is among the largest cities associated with Klamath County, Oregon, with a population of 642,715.
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Full rankings of Oregon counties
Statewide data for Oregon
Population, race, income, age, and trends across Oregon
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.