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

All 55 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/west-virginia-counties

| Rank | Place | years |
|---:|---|---:|
| 1 | Pendleton County | 52.1 |
| 2 | Tucker County | 50.9 |
| 3 | Webster County | 49.8 |
| 4 | Pocahontas County | 49.6 |
| 5 | Morgan County | 49.4 |
| 6 | Summers County | 48.9 |
| 7 | Braxton County | 48.5 |
| 7 | Calhoun County | 48.5 |
| 9 | Tyler County | 48.4 |
| 10 | Wirt County | 48.1 |
| 11 | Roane County | 48 |
| 12 | Hampshire County | 47.9 |
| 13 | Brooke County | 47.8 |
| 13 | Ritchie County | 47.8 |
| 15 | Hancock County | 47.7 |
| 16 | Grant County | 47.6 |
| 16 | Nicholas County | 47.6 |
| 18 | Greenbrier County | 47.4 |
| 19 | Hardy County | 47.3 |
| 20 | Monroe County | 46.9 |
| 21 | Marshall County | 46.8 |
| 22 | Wyoming County | 46.2 |
| 23 | Clay County | 46.1 |
| 24 | Boone County | 46 |
| 25 | Wetzel County | 45.7 |
| 26 | Fayette County | 45.5 |
| 27 | Mingo County | 45.4 |
| 28 | Pleasants County | 45.3 |
| 28 | Taylor County | 45.3 |
| 30 | Logan County | 44.9 |
| 30 | Mason County | 44.9 |
| 32 | Lewis County | 44.7 |
| 32 | Lincoln County | 44.7 |
| 34 | Randolph County | 44.6 |
| 35 | Kanawha County | 44.4 |
| 35 | Wayne County | 44.4 |
| 37 | McDowell County | 44.3 |
| 38 | Mineral County | 44.2 |
| 38 | Preston County | 44.2 |
| 38 | Wood County | 44.2 |
| 41 | Putnam County | 44.1 |
| 42 | Jackson County | 44 |
| 43 | Mercer County | 43.6 |
| 43 | Ohio County | 43.6 |
| 45 | Harrison County | 43.3 |
| 46 | Raleigh County | 43.2 |
| 47 | Doddridge County | 43.1 |
| 48 | Barbour County | 43 |
| 49 | Upshur County | 42.8 |
| 50 | Gilmer County | 41.9 |
| 51 | Jefferson County | 41.8 |
| 52 | Marion County | 41.6 |
| 53 | Cabell County | 39.6 |
| 54 | Berkeley County | 38.7 |
| 55 | Monongalia County | 32.8 |