Mason County, WA Demographics

The total population of Mason County is estimated to be 66,053 with 34,458 males (52.17%) and 31,595 females (47.83%). There are 2,863 less females than males in Mason County.
The median household income in Mason County was $71,691 in 2021, which marked an an increase of 3,062(4.46%) from $68,629 in 2020. This income is 96.09% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Mason County sees its highest median household income among householders in the age group of 45 to 64 years old, at $100,426. Overall, the median household income for the county of Mason County stands at $80,139.
In Mason County, the median income for all workers aged 15 years and older, regardless of work hours, was $43,826 for males and $28,304 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $66,813 for males and $55,963 for females.
In Mason County, there are just three different racial groups among households. Among these, White households report a median household income of $83,811, followed by American Indian and Alaska Native households at $57,845, and Two or More Races households with a median household income of $53,750.
In 2022, the population of Mason County was 68,166, a 1.39% increase year-by-year from 2021. Previously, in 2021, Mason County's population was 67,229, an increase of 1.82% compared to a population of 66,029 in 2020.
The median age in Mason County, WA is 44.7, as per 2021 ACS 5-Year Estimates. Of the total population, 16.46% were under the age of 15, 16.27% aged 15 to 29, 44.52% aged 30 to 64, 20.44% aged 65 to 84, and 2.31% were 85 years of age and older.
Racial distribution of Mason County population: 81.05% are White, 0.67% are Black or African American, 1.81% are American Indian and Alaska Native, 0.93% are Asian, 0.44% are Native Hawaiian and other Pacific Islander, 6.11% are some other race and 8.98% are multiracial.