Klamath County's 2026 population is estimated at 70,620, reflecting a 0.13% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Klamath County is the 15th largest county in Oregon. The 2010 population was 66,323 and has grown 6.48% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.3 years
Female: 42 years
Male: 40.5 years
There are 55,031 adults, (15,695 of whom are seniors) in Klamath County.
Female: 34,966 (49.8%)
Male: 35,281 (50.2%)
The racial composition of Klamath County includes 77.24% White, 4.53% other race, and smaller percentages for Native American, Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 54,261 | 77.24% |
| Two or more races | 9,393 | 13.37% |
| Other race | 3,183 | 4.53% |
| Native American | 1,929 | 2.75% |
| Asian | 726 | 1.03% |
| Black or African American | 534 | 0.76% |
| Native Hawaiian or Pacific Islander | 221 | 0.31% |
Klamath County 's average per capita income is $43,202. Household income levels show a median of $58,830. The poverty rate stands at 18.31%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $86,552 | - |
| Families | $73,525 | $99,171 |
| Households | $58,830 | $79,046 |
| Non Families | $31,282 | $44,049 |
Average Income
Median Household Income
Poverty Rate