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

Population trends in
Figure 1: Annual population growth trend for (2010–2024).

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

Population pyramid for

Figure 2: Population distribution by age and gender for 2024.


Monongalia County, West Virginia Historical Population Data

YearMedian AgePopulation
202432.7107,163
202332.5106,520
202232.2105,988
202132.7105,695
202032.2106,196
201931.7105,474
201831.2105,252
201730.9103,715
201630.6102,827
201530.0101,668
201429.9100,332
201329.698,483
201229.396,417
201129.194,489
201029.392,715

Monongalia County, West Virginia Age Group Breakdown (2024)

Age CohortPercentage
Under 54.5%
5–1711.6%
18–2421.8%
25–3415.4%
35–5423.0%
55–6410.3%
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.
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