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 Boundary . . .
- was 44.3 in 2021, compared to 38.3 in 2000, 32.8 in 1990 and 29.2 in 1980;
- was 44.3 in 2021 compared to 37.4 in Idaho;
- ranked 16th - from highest to lowest - out of Idaho's 44 counties in 2021.