Population Characteristics - Median age
(2019)
To resort data: click column headings. To download
data: click here.
County Name | Median age Rank | Median age |
Adams | 1 | 55.5 |
Boise | 2 | 53.3 |
Custer | 3 | 53.1 |
Lemhi | 4 | 52.6 |
Clearwater | 5 | 51.3 |
Idaho | 6 | 50.4 |
Lewis | 7 | 49.2 |
Valley | 8 | 48.7 |
Bonner | 9 | 48.5 |
Camas | 10 | 47.2 |
Benewah | 11 | 46.4 |
Washington | 12 | 46.3 |
Shoshone | 13 | 46.3 |
Boundary | 14 | 44.6 |
Butte | 15 | 44.2 |
Blaine | 16 | 44.2 |
Gem | 17 | 43.9 |
Nez Perce | 18 | 40.9 |
Kootenai | 19 | 40.7 |
Oneida | 20 | 39.9 |
Clark | 21 | 39.8 |
Bear Lake | 22 | 39.7 |
Owyhee | 23 | 39.3 |
Payette | 24 | 39.2 |
Teton | 25 | 39.1 |
Fremont | 26 | 38.7 |
Gooding | 27 | 37.8 |
Ada | 28 | 37.7 |
Caribou | 29 | 37.2 |
Lincoln | 30 | 36.6 |
Twin Falls | 31 | 35.2 |
Minidoka | 32 | 34.9 |
Bannock | 33 | 34.5 |
Bingham | 34 | 34.2 |
Canyon | 35 | 34.2 |
Franklin | 36 | 34.0 |
Power | 37 | 33.8 |
Jerome | 38 | 33.5 |
Bonneville | 39 | 33.0 |
Cassia | 40 | 32.6 |
Elmore | 41 | 32.4 |
Jefferson | 42 | 31.9 |
Latah | 43 | 30.1 |
Madison | 44 | 23.3 |
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