Spokane County's 2026 population is estimated at 561,203, reflecting a 0.51% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Spokane County is the 4th largest county in Washington. The 2010 population was 472,102 and has grown 18.87% since 2010.
Overall: 38.5 years
Female: 39.4 years
Male: 37.7 years
There are 430,771 adults, (95,527 of whom are seniors) in Spokane County.
Female: 274,963 (50.1%)
Male: 274,093 (49.9%)
The racial composition of Spokane County includes 82.7% White, and smaller percentages for Asian, other race, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 454,089 | 82.7% |
| Two or more races | 49,841 | 9.08% |
| Asian | 12,568 | 2.29% |
| Other race | 11,674 | 2.13% |
| Black or African American | 11,408 | 2.08% |
| Native American | 5,459 | 0.99% |
| Native Hawaiian or Pacific Islander | 4,017 | 0.73% |
Spokane County 's average per capita income is $51,571. Household income levels show a median of $78,582. The poverty rate stands at 11.68%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $116,816 | $143,381 |
| Families | $100,388 | $125,653 |
| Households | $78,582 | $103,315 |
| Non Families | $46,009 | $61,558 |
Average Income
Median Household Income
Poverty Rate