Ranking of Washington Counties By Average Household Income in 2021 (ACS-5Yrs)

Based on the US Census ACS-5Yrs estimates, in 2021, the Average Household Income for Washington was $111,431. Among all Washington counties, King County had the highest average household income ($145,743), followed by Snohomish County ($117,726), and San Juan County ($110,926). On the other hand, the following 3 counties had the lowest average household income: Garfield County ($63,119), Okanogan County ($64,676), and Ferry County ($66,023).

The chart below shows the top 10 Washington counties with high average household income, and the table below shows the ranking of all Washington counties.

You can also see similar information for other states and for the United States.