Median age is the age at which half the population is younger and half is older. A lower median age indicates a relatively younger population, while a higher median age indicates a relatively older population.
The median age in Washington . . .
- was 38.2 in 2021, compared to 35.3 in 2000, 33.1 in 1990 and 29.8 in 1980;
- was 38.2 in 2021 compared to 38.8 in the U.S.;
- ranked 36th - from highest to lowest - out of the U.S.'s 50 states in 2021.