RCW 43.62.035 - State projection authority

Percent high school graduates

Population Age 25 and Above, 2022

Jefferson (97.1%), Whitman (95.8%), San Juan (95.8%), and Island (95.7%) County had the highest percentages of high school graduates in the period between 2018-2022.

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

Population Age 5 and Above, 2022

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 24.7% of persons were in this category.

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2023

In 2022, the highest percentages of Hispanic residents were found in central Washington with Adams (65.6%), Franklin (55.4%), and Yakima (52.4%) counties posting the highest shares.

Median Age, 2023

In 2010, the median age of persons living in Washington state was 37.3 years. In 2023 the median age had increased to 38.8 years.

Jefferson County had the highest median age in 2010 at 53.9 years. By 2023, the median age in Jefferson County had reached 64.1 years.

2022

Columbia County had the highest percentage of single parent families with 45.3%.

Wahiakum County had the lowest share of single parent families, with 5.3%.

Data Sources:

• Census Bureau Data

E-mail: OFM.Forecasting@ofm.wa.gov

Families in Poverty

2022

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Families With Children Under Age 18 in Poverty

2022

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Individuals in Poverty

2022

2022

Klickitat and Jefferson County had the highest percentage of single mother families in poverty at 46.7% and 43.5%.

The lowest poverty rates for families headed by single mothers was found in Columbia and Ferry County at 12.4% and 15%.

Population, 2010

Population, 2000

Population Change, 2000–2010

Median household income estimates by county: 1989 to 2022; preliminary estimates for 2023 and projection for 2024