Mason County, West Virginia Age & Gender Distribution (2024)
Population distribution by age and gender for Mason County, West Virginia
Mason County, West Virginia Age & Gender Statistics (2024)
Total Population
25,043
Median Age
44.2
Male Median
42.6
Female Median
45.7
Mason County, West Virginia Population Growth

Mason County, West Virginia Demographic Trend
Since 2010, the population of has changed by -7.3%%.
-7.3%% Growth
Mason County, West Virginia Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Mason County, West Virginia Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 44.2 | 25,043 |
| 2023 | 44.2 | 25,214 |
| 2022 | 44.2 | 25,488 |
| 2021 | 44.2 | 25,667 |
| 2020 | 44.4 | 26,700 |
| 2019 | 44.2 | 26,820 |
| 2018 | 44.1 | 26,939 |
| 2017 | 44.0 | 27,000 |
| 2016 | 43.6 | 27,060 |
| 2015 | 43.0 | 27,177 |
| 2014 | 42.7 | 27,207 |
| 2013 | 42.5 | 27,271 |
| 2012 | 42.2 | 27,242 |
| 2011 | 42.4 | 27,152 |
| 2010 | 42.1 | 27,016 |
Mason County, West Virginia Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.2% |
| 5–17 | 15.4% |
| 18–24 | 6.7% |
| 25–34 | 11.3% |
| 35–54 | 24.6% |
| 55–64 | 14.1% |
| 65+ | 22.8% |
Dependency Ratios for Mason County, West Virginia
- Total Dependency Ratio:
- 76.3
- Youth Dependency:
- 36.2
- Old-Age Dependency:
- 40.1
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Mason County, West Virginia
The median age in Mason County, West Virginia is 44.2 years.
According to latest Census data, the total population of Mason County, West Virginia is 25,043.
In Mason County, West Virginia, seniors (ages 65+) make up 22.8% of the population, while children under 18 represent 15.4%.
Based on historical data since 2010, the population in Mason County, West Virginia is aging.