Klickitat County's 2026 population is estimated at 24,996, reflecting a 1.78% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Klickitat County is the 28th largest county in Washington. The 2010 population was 20,375 and has grown 22.68% since 2010.
Data after 2023 is projected based on recent change
Overall: 46.8 years
Female: 47.6 years
Male: 46.1 years
There are 19,161 adults, (5,878 of whom are seniors) in Klickitat County.
Female: 11,412 (48.7%)
Male: 11,999 (51.3%)
The racial composition of Klickitat County includes 81.89% White, 4.81% 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 | 19,171 | 81.89% |
| Two or more races | 2,459 | 10.5% |
| Other race | 1,125 | 4.81% |
| Native American | 331 | 1.41% |
| Asian | 179 | 0.76% |
| Black or African American | 81 | 0.35% |
| Native Hawaiian or Pacific Islander | 65 | 0.28% |
Klickitat County 's average per capita income is $48,102. Household income levels show a median of $71,042. The poverty rate stands at 12.93%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $95,324 | - |
| Families | $84,291 | $105,646 |
| Households | $71,042 | $95,802 |
| Non Families | $45,625 | $74,832 |
Average Income
Median Household Income
Poverty Rate