Mason County Flag

Mason County

State:
Washington
County Seat:
Shelton

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.

68,825
Total Population
72
Population Density (mi²)
20
Population Rank (State)
218 0.32%
Annual Population Growth

Mason County Population

Mason County Population

Data after 2023 is projected based on recent change

Demographics

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.

Population by Race

Race
Population
Percentage (of total)
White52,45078.32%
Two or more races6,98410.43%
Other race4,6686.97%
Native American1,3091.95%
Black or African American6891.03%
Asian6821.02%
Native Hawaiian or Pacific Islander1860.28%

Mason County Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

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%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
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

$51,467

Average Income

$78,359

Median Household Income

12.61%

Poverty Rate