Mason County's estimated 2025 population is 68,825 with a growth rate of 0.32% in the past year according to the most recent United States census data. Mason County is the 20th largest county in Washington. The 2010 population was 60,733 and has seen a growth of 13.32% since that time.
Data after 2023 is projected based on recent change
The racial composition of Mason County includes 78.32% White, 6.97% other race, and smaller percentages for Native American, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
White
Two or more races
Other race
Native American
Black or African American
Asian
Native Hawaiian or Pacific Islander
Race | Population | Percentage (of total) |
|---|---|---|
| White | 52,450 | 78.32% |
| Two or more races | 6,984 | 10.43% |
| Other race | 4,668 | 6.97% |
| Native American | 1,309 | 1.95% |
| Black or African American | 689 | 1.03% |
| Asian | 682 | 1.02% |
| Native Hawaiian or Pacific Islander | 186 | 0.28% |
Married
Widowed
Divorced
Separated
Never Married
Mason County's average per capita income is $51,467. Household income levels show a median of $78,359. The poverty rate stands at 12.61%.
Name | Median | Mean |
|---|---|---|
| Married Families | $104,503 | $121,274 |
| Families | $91,478 | $109,864 |
| Households | $78,359 | $97,813 |
| Non Families | $46,196 | $64,965 |
Average Income
Median Household Income
Poverty Rate