Grant County's estimated 2026 population is 107,975 with a growth rate of 1.53% 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 20.57% since that time.
Data after 2023 is projected based on recent change
The racial composition of Grant County includes 58.97% White, 22.21% other race, and smaller percentages for Native American, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
White (58.97%)
Other race (22.21%)
Two or more races (15.11%)
Native American (1.41%)
Black or African American (1.22%)
Asian (1.06%)
Native Hawaiian or Pacific Islander (0.02%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 59,225 | 58.97% |
| Other race | 22,310 | 22.21% |
| Two or more races | 15,174 | 15.11% |
| Native American | 1,413 | 1.41% |
| Black or African American | 1,221 | 1.22% |
| Asian | 1,067 | 1.06% |
| Native Hawaiian or Pacific Islander | 18 | 0.02% |
Married
Widowed
Divorced
Separated
Never Married
Grant County's average per capita income is $45,856. Household income levels show a median of $71,115. The poverty rate stands at 14.96%.
Name | Median | Mean |
|---|---|---|
| Married Families | $93,786 | $114,980 |
| Families | $79,271 | $99,799 |
| Households | $71,115 | $89,681 |
| Non Families | $42,629 | $56,501 |
Average Income
Median Household Income
Poverty Rate