Monongalia County, West Virginia Age & Gender Distribution (2024)
Population distribution by age and gender for Monongalia County, West Virginia
Monongalia County, West Virginia Age & Gender Statistics (2024)
Total Population
107,163
Median Age
32.7
Male Median
32.2
Female Median
33.2
Monongalia County, West Virginia Population Growth

Monongalia County, West Virginia Demographic Trend
Since 2010, the population of has changed by +15.6%%.
+15.6%% Growth
Monongalia County, West Virginia Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Monongalia County, West Virginia Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 32.7 | 107,163 |
| 2023 | 32.5 | 106,520 |
| 2022 | 32.2 | 105,988 |
| 2021 | 32.7 | 105,695 |
| 2020 | 32.2 | 106,196 |
| 2019 | 31.7 | 105,474 |
| 2018 | 31.2 | 105,252 |
| 2017 | 30.9 | 103,715 |
| 2016 | 30.6 | 102,827 |
| 2015 | 30.0 | 101,668 |
| 2014 | 29.9 | 100,332 |
| 2013 | 29.6 | 98,483 |
| 2012 | 29.3 | 96,417 |
| 2011 | 29.1 | 94,489 |
| 2010 | 29.3 | 92,715 |
Monongalia County, West Virginia Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 4.5% |
| 5–17 | 11.6% |
| 18–24 | 21.8% |
| 25–34 | 15.4% |
| 35–54 | 23.0% |
| 55–64 | 10.3% |
| 65+ | 13.4% |
Dependency Ratios for Monongalia County, West Virginia
- Total Dependency Ratio:
- 41.9
- Youth Dependency:
- 22.9
- Old-Age Dependency:
- 19.0
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Monongalia County, West Virginia
The median age in Monongalia County, West Virginia is 32.7 years.
According to latest Census data, the total population of Monongalia County, West Virginia is 107,163.
In Monongalia County, West Virginia, seniors (ages 65+) make up 13.4% of the population, while children under 18 represent 11.6%.
Based on historical data since 2010, the population in Monongalia County, West Virginia is aging.