# Counties in Alaska by median age on 1 July (US county estimates), 2025

All 30 values come from U.S. Census Bureau for 2025, so the places are comparable.

- Indicator id: `median_age_pep`
- Unit: years
- Definition: Age that divides the resident population of a US county into two halves of equal size on 1 July, from Census Bureau population estimates calculated by single year of age.
- Source: U.S. Census Bureau, Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage (https://www.census.gov/programs-surveys/popest/data/data-sets.html)
- Publisher page: https://invokely.ai/en/publishers/us-census-bureau
- Retrieved: 2026-10-12
- Citation: U.S. Census Bureau. Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/median-age-july-1-us-counties/alaska-counties

| Rank | Place | years |
|---:|---|---:|
| 1 | Haines Borough | 49.8 |
| 2 | Wrangell City and Borough | 49.7 |
| 3 | Hoonah-Angoon Census Area | 47.5 |
| 4 | Yakutat City and Borough | 46.9 |
| 5 | Copper River Census Area | 45.1 |
| 6 | Petersburg Borough | 44.3 |
| 7 | Skagway Municipality | 44.1 |
| 8 | Prince of Wales-Hyder Census Area | 42.6 |
| 9 | Kenai Peninsula Borough | 42.5 |
| 10 | Ketchikan Gateway Borough | 42 |
| 11 | Aleutians East Borough | 41.3 |
| 11 | Sitka City and Borough | 41.3 |
| 13 | Bristol Bay Borough | 41 |
| 14 | Denali Borough | 40.7 |
| 15 | Juneau City and Borough | 40.3 |
| 16 | Aleutians West Census Area | 39.6 |
| 16 | Chugach Census Area | 39.6 |
| 18 | Yukon-Koyukuk Census Area | 38.9 |
| 19 | Southeast Fairbanks Census Area | 37.6 |
| 20 | Matanuska-Susitna Borough | 37.4 |
| 21 | Anchorage Municipality | 36.1 |
| 21 | Kodiak Island Borough | 36.1 |
| 23 | North Slope Borough | 35.8 |
| 24 | Lake and Peninsula Borough | 35.1 |
| 25 | Dillingham Census Area | 33.6 |
| 25 | Fairbanks North Star Borough | 33.6 |
| 27 | Nome Census Area | 30.9 |
| 28 | Bethel Census Area | 27.5 |
| 29 | Northwest Arctic Borough | 27.4 |
| 30 | Kusilvak Census Area | 23.4 |