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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Percent high school graduates

Population Age 25 and Above, 2017

Garfield (96.5 percent), San Juan (96.1 percent) and Whitman (95.4 percent)t) counties had the highest percentages of high school graduates.

Adams (65.2 percent), Yakima (73.2 percent) and Franklin (74.2 percent) counties had the lowest percentages of high school graduates.

2018

In 2018, the highest percentages of Hispanic residents were found in central Washington with Adams (67.4 percent), Franklin (55.3 percent) and Yakima (50.8 percent) counties posting the highest shares.

Median Age, 2018

In 2010, the median age of persons living in Washington state was 37.3 years. In 2018 the median age had increased to 38.3 years.

Jefferson County had the highest median age in 2010 at 53.9 years. By 2018, the median age in Jefferson County had reached 58.4 years.

Washington state population by age group

Census 2010

Washington state population by race

2019

2010–2019

Washington state & local government revenues per capita

Inflation-Adjusted to 2016 Dollars