Idaho State Counties

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Bonneville: Median age

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 Bonneville . . .

  • was 33.0 in 2019, compared to 31.8 in 2000, 28.7 in 1990 and 25.5 in 1980;

  • was 33.0 in 2019 compared to 36.9 in Idaho;

  • ranked 39th - from highest to lowest - out of Idaho's 44 counties in 2019.

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, (;
2000 & 2010: U.S. Bureau of the Census, Census of Population and Housing, (;
2011-2019: U.S. Bureau of the Census, Population Estimates - County Characteristics, (; DATE LAST UPDATED: June 26, 2020.

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