Grant County's 2026 population is estimated at 6,847, reflecting a -1.76% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Grant County is the 33rd largest county in Oregon. The 2010 population was 7,465 and has grown -8.28% since 2010.
Data after 2023 is projected based on recent change
Overall: 50.4 years
Female: 51 years
Male: 49 years
There are 5,966 adults, (2,331 of whom are seniors) in Grant County.
Female: 3,580 (49.7%)
Male: 3,629 (50.3%)
The racial composition of Grant County includes 87.54% White, and smaller percentages for Asian, Native American, other race, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 6,311 | 87.54% |
| Two or more races | 727 | 10.08% |
| Asian | 57 | 0.79% |
| Native American | 53 | 0.74% |
| Other race | 52 | 0.72% |
| Black or African American | 9 | 0.12% |
Grant County 's average per capita income is $42,222. Household income levels show a median of $59,450. The poverty rate stands at 12.82%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $84,808 | - |
| Families | $73,616 | $90,344 |
| Households | $59,450 | $74,710 |
| Non Families | $39,176 | $50,863 |
Average Income
Median Household Income
Poverty Rate