Other pages about the topic: Demographics

Languages spoken at home (mapped by county)

Percent in households where English is spoken less than "very well"

Population Age 5 and Above, 2021

The smallest share of population where English was spoken less than "Very Well" was in Pend Oreille and Wahkiakum County at 0.2%. The highest share was in Adams County where 27.3% of persons were in this category.

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Population by race

Washington state population by race


Hispanic population as a percent of total population


In 2022, the highest percentages of Hispanic residents were found in central Washington with Adams (65.3%), Franklin (55.3%), and Yakima (52.3%) counties posting the highest shares.

Population by age, mapped by county

Median Age, 2022

In 2010, the median age of persons living in Washington state was 37.3 years. In 2022 the median age had increased to 38.6 years.

Jefferson County had the highest median age in 2010 at 53.9 years. By 2022, the median age in Jefferson County had reached 60.7 years.