Other pages about the topic: Forecasting & Research

Components of population change


2010 Population  6,724,540
Plus Births  1,041,094
Less Deaths    -671,075
Plus Net Migration     769,841

Population by age, mapped by county

Median Age, 2022

In 2010, the median age of persons living in Washington state was 37.3 years. In 2022 the median age had increased to 38.6 years.

Jefferson County had the highest median age in 2010 at 53.9 years. By 2022, the median age in Jefferson County had reached 60.7 years.