Jefferson County, WA Demographics

The total population of Jefferson County is estimated to be 33,006 with 16,189 males (49.05%) and 16,817 females (50.95%). There are 628 more females than males in Jefferson County.
The median household income in Jefferson County was $64,820 in 2021, which marked an a decrease of 554(0.85%) from $65,374 in 2020. This income is 86.88% 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, Jefferson County sees its highest median household income among householders in the age group of under 25 years old, at $72,716. Overall, the median household income for the county of Jefferson County stands at $64,820.
In Jefferson County, the median income for all workers aged 15 years and older, regardless of work hours, was $42,160 for males and $29,159 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $72,962 for males and $55,123 for females.
In Jefferson County, the demographic landscape is diverse, spanning 5 distinct racial categories among households. Among these, White households have the highest median household income at $67,573, while Two or More Races households represent the opposite end with the lowest median household income of $29,394.
In 2022, the population of Jefferson County was 33,589, a 0.08% increase year-by-year from 2021. Previously, in 2021, Jefferson County's population was 33,561, an increase of 1.51% compared to a population of 33,063 in 2020.
The median age in Jefferson County, WA is 59.3, as per 2021 ACS 5-Year Estimates. Of the total population, 10.01% were under the age of 15, 10.34% aged 15 to 29, 42.75% aged 30 to 64, 33.55% aged 65 to 84, and 3.35% were 85 years of age and older.
Racial distribution of Jefferson County population: 88.89% are White, 0.61% are Black or African American, 1.55% are American Indian and Alaska Native, 1.62% are Asian, 0.57% are Native Hawaiian and other Pacific Islander, 1.94% are some other race and 4.81% are multiracial.