Washington County, Pennsylvania Age & Gender Statistics (2024)

Total Population

210,042

Median Age

44.2

Male Median

42.7

Female Median

45.5

Washington County, Pennsylvania Population Growth

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

Washington County, Pennsylvania Demographic Trend

Since 2010, the population of has changed by +1.5%%.

+1.5%% Growth

Washington County, Pennsylvania Age & Gender Pyramid

Population pyramid for

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


Washington County, Pennsylvania Historical Population Data

YearMedian AgePopulation
202444.2210,042
202344.2209,778
202244.2209,631
202144.2209,090
202044.5207,081
201944.5207,212
201844.5207,547
201744.4207,661
201644.3208,269
201544.2208,226
201444.0208,157
201343.7208,047
201243.5207,916
201143.3207,451
201043.0206,987

Washington County, Pennsylvania Age Group Breakdown (2024)

Age CohortPercentage
Under 54.9%
5–1714.7%
18–247.8%
25–3411.3%
35–5424.6%
55–6414.8%
65+22.0%

Dependency Ratios for Washington County, Pennsylvania

Total Dependency Ratio:
71.0
Youth Dependency:
33.4
Old-Age Dependency:
37.6

The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).



Age & Gender FAQs for Washington County, Pennsylvania

The median age in Washington County, Pennsylvania is 44.2 years.

According to latest Census data, the total population of Washington County, Pennsylvania is 210,042.

In Washington County, Pennsylvania, seniors (ages 65+) make up 22.0% of the population, while children under 18 represent 14.7%.

Based on historical data since 2010, the population in Washington County, Pennsylvania has remained stable.
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