Stevens County's 2026 population is estimated at 49,369, reflecting a 0.36% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Stevens County is the 23rd largest county in Washington. The 2010 population was 43,472 and has grown 13.57% since 2010.
Data after 2023 is projected based on recent change
Overall: 46.9 years
Female: 47.8 years
Male: 46 years
There are 37,901 adults, (12,178 of whom are seniors) in Stevens County.
Female: 23,910 (49.7%)
Male: 24,157 (50.3%)
The racial composition of Stevens County includes 85.02% White, 4.07% Native American, and smaller percentages for other race, Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 40,868 | 85.02% |
| Two or more races | 3,767 | 7.84% |
| Native American | 1,954 | 4.07% |
| Other race | 723 | 1.5% |
| Asian | 430 | 0.89% |
| Black or African American | 197 | 0.41% |
| Native Hawaiian or Pacific Islander | 128 | 0.27% |
Stevens County 's average per capita income is $47,010. Household income levels show a median of $69,327. The poverty rate stands at 12.04%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $88,591 | - |
| Families | $83,201 | $105,631 |
| Households | $69,327 | $92,796 |
| Non Families | $38,131 | $58,242 |
Average Income
Median Household Income
Poverty Rate