Grant County's estimated 2026 population is 106,620 with a growth rate of 0.84% in the past year according to the most recent United States census data. Grant County is the 13th largest county in Washington. The 2010 population was 89,554 and has seen a growth of 19.06% since that time.
Data after 2023 is projected based on recent change
Overall: 33.7 years
Female: 34.1 years
Male: 33.3 years
There are 73,001 adults, (14,822 of whom are seniors) in Grant County.
Female: 49,694 (48.8%)
Male: 52,105 (51.2%)
The racial composition of Grant County includes 55.82% White, 22.39% other race, and smaller percentages for Native American, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 56,828 | 55.82% |
| Other race | 22,793 | 22.39% |
| Two or more races | 18,149 | 17.83% |
| Native American | 1,589 | 1.56% |
| Black or African American | 1,345 | 1.32% |
| Asian | 1,066 | 1.05% |
| Native Hawaiian or Pacific Islander | 29 | 0.03% |
Grant County's average per capita income is $46,489. Household income levels show a median of $73,267. The poverty rate stands at 15.85%.
Name | Median | Mean |
|---|---|---|
| Married Families | $94,543 | $118,214 |
| Families | $80,876 | $102,366 |
| Households | $73,267 | $92,003 |
| Non Families | $42,572 | $56,538 |
Average Income
Median Household Income
Poverty Rate