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, 2017

The smallest share of population where English was spoken less than "Very Well" was in Asotin and Lincoln counties. The highest share was in Adams County where 29.0 percent of persons were in this category.

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Population by race

Washington state population by race

2018

Population by age, mapped by county

Median Age, 2010

In 2010, the median age of persons living in Washington state was 37.3 years. In 2017 the median age had increased to 38.2 years.

Jefferson County had the highest median age in 2010 at 53.9 years. By 2017, the median age in Jefferson County had reached 57.9 years.

Hispanic population as a percent of total population

2017

In 2017, the highest percentages of Hispanic residents were found in central Washington with Adams (56.8 percent), Franklin (54.9 percent) and Yakima (49.9 percent) counties posting the highest shares.