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 a county in Oregon with a population of 69,812. It ranks #15 among counties in Oregon by population. The median age is 41.3, older than the national median. The population is 50.3% male and 49.7% female.
The median household income in Klamath County is $59,353, below the US median of $74,580. 12.0% of residents live below the federal poverty level. Home values sit at a median of $255,700, with monthly rent averaging $973. The homeownership rate of 68.7% is higher than the national rate of 64.8%.
Educational attainment in Klamath County reflects 21.5% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 8.3% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 17.7 minutes each way.
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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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.