Mason County, WA — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
66,968
Male
34,904
52.1%
Female
32,064
47.9%
Median Age
44.8 yrs
Avg Household Size
2.6
Foreign Born
6.8%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher16.2%
High School or Higher38.3%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
10.9%
Disability
0.0%
Non-English Home
6.5%
Married
44.1%
Mason County, WA has a population of 66,968 according to 2023 Census Bureau estimates. The median age is 44.8 years. The largest racial or ethnic group is White at 78.3% of the population. 16.2% of residents hold a bachelor's degree or higher. 6.8% of residents are foreign-born.