Other pages about the topic: County data

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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Educational attainment (mapped by county)

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.

Single-parent families as a percent of all families with children (mapped by county)

2017

Clallam County had the highest percentage of single parent families with 41.9 percent.

Garfield County had the lowest share of single parent families, with 20.4 percent.

Poverty rate for single-parent families headed by a female householder (mapped by county)

2017

Adams County had the highest percentage of single mother families in poverty at 43.7 percent.

The lowest poverty rates for families headed by single mothers was found in Wahkiakum County at 8.7 percent.

Population by county — census data (map)

Population, 2010

 

Population, 2000

Population Change, 2000–2010

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.

Manufacturing employment as a percent of total

Manufacturing employment as a percent of total, 1980

  • State average: 17.8 percent
  • Highest county: Wahkiakum at 37.5 percent
  • Lowest county: Whitman at 1.6 percent

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