Indicators Idaho

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 Idaho . . .

was 37.4 in 2021, compared to 33.2 in 2000, 31.5 in 1990 and 27.6 in 1980;
was 37.4 in 2021 compared to 38.8 in the U.S.;
ranked 43^rd - from highest to lowest - out of the U.S.'s 50 states in 2021.

To get the most out of this indicator . . .

Ask questions:

· How does your county’s median age compare to that of your state and/or neighboring counties?

Look at other indicators:

· “Population: Age” – How many people are under age 18, age 18-64, or age 65 and older?

Dig deeper:

· Look at the county rankings for your state and/or view maps to see how your county compares to others.

· Take a Big Picture view of your county.

· If you have specific questions, send us an e-mail.

Source: 1980 and 1990: U.S. Bureau of the Census, (https://www.census.gov/programs-surveys/decennial-census/data.html);
2000 & 2010: U.S. Bureau of the Census, Census of Population and Housing, (https://data.census.gov/cedsci/);
2011-2021: U.S. Bureau of the Census, Population Estimates - County Characteristics, (http://www.census.gov/popest/); DATE LAST UPDATED: May 10, 2023.