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 Teton . . .
- was 37.9 in 2017, compared to 31.3 in 2000, 30.2 in 1990 and 26.6 in 1980;
- was 37.9 in 2017 compared to 36.3 in Idaho;
- ranked 24th - from highest to lowest - out of Idaho's 44 counties in 2017.