Yakima County's 2026 population is estimated at 259,399, reflecting a 0.08% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Yakima County is the 8th largest county in Washington. The 2010 population was 244,249 and has grown 6.2% since 2010.
Overall: 33.3 years
Female: 34 years
Male: 32.7 years
There are 182,754 adults, (37,267 of whom are seniors) in Yakima County.
Female: 128,239 (49.9%)
Male: 128,913 (50.1%)
The racial composition of Yakima County includes 46.77% White, 20.94% other race, 3.16% Native American, and smaller percentages for Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 120,276 | 46.77% |
| Two or more races | 68,963 | 26.82% |
| Other race | 53,847 | 20.94% |
| Native American | 8,138 | 3.16% |
| Asian | 3,182 | 1.24% |
| Black or African American | 1,804 | 0.7% |
| Native Hawaiian or Pacific Islander | 942 | 0.37% |
Yakima County 's average per capita income is $42,561. Household income levels show a median of $70,656. The poverty rate stands at 15.46%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $96,523 | $116,276 |
| Families | $79,765 | $97,958 |
| Households | $70,656 | $88,451 |
| Non Families | $42,347 | $55,700 |
Average Income
Median Household Income
Poverty Rate