Other pages about the topic: Forecasting & Research
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
Washington state population by race
|Plus Net Migration
Washington state & local government revenues per capita
Inflation-Adjusted to 2016 Dollars
Revenues Per Capita
(Inflation-Adjusted to 2015 Dollars)
Released September 2012 (Revised October 2015)
In 2010, seven state agencies and the legislative staff, under the direction of Dr. William Beyers, University of Washington Geography Professor, and Marc Baldwin, Office of Financial Management (OFM), initiated the estimation of a new version of the Washington State Input-Output (I-O) model. OFM staff member Dr. Ta-Win Lin served as the project coordinator.
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.
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.