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

2019

Klickitat County had the highest percentage of single mother families in poverty at 63.3%.

The lowest poverty rates for families headed by single mothers was found in Asotin County at 19.0%.

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

2019

Ferry County had the highest percentage of single parent families with 44.9%.

Wahiakum County had the lowest share of single parent families, with 12.1%.

Population by county — census data (map)

Population, 2010

 

Population, 2000

Population Change, 2000–2010

Population by age, mapped by county

Median Age, 2019

In 2010, the median age of persons living in Washington state was 37.3 years. In 2019 the median age had increased to 38.3 years.

Jefferson County had the highest median age in 2010 at 53.9 years. By 2019, the median age in Jefferson County had reached 58.9 years.

Hispanic population as a percent of total population

2019

In 2019, the highest percentages of Hispanic residents were found in central Washington with Adams (68.5%), Franklin (55.3%) and Yakima (51.4%) counties posting the highest shares.

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