Erie County, Pennsylvania Age & Gender Statistics (2024)

Total Population

269,052

Median Age

40.2

Male Median

39.4

Female Median

41.2

Erie County, Pennsylvania Population Growth

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

Erie County, Pennsylvania Demographic Trend

Since 2010, the population of has changed by -3.6%%.

-3.6%% Growth

Erie County, Pennsylvania Age & Gender Pyramid

Population pyramid for

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


Erie County, Pennsylvania Historical Population Data

YearMedian AgePopulation
202440.2269,052
202340.1269,544
202239.9270,495
202139.9271,903
202039.7272,046
201939.7273,835
201839.4275,972
201739.0277,794
201638.9279,133
201538.8279,858
201438.7280,132
201338.6280,518
201238.5280,181
201138.5279,824
201038.4279,234

Erie County, Pennsylvania Age Group Breakdown (2024)

Age CohortPercentage
Under 55.1%
5–1715.6%
18–2410.0%
25–3412.5%
35–5423.6%
55–6413.4%
65+19.7%

Dependency Ratios for Erie County, Pennsylvania

Total Dependency Ratio:
67.9
Youth Dependency:
34.7
Old-Age Dependency:
33.1

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



Age & Gender FAQs for Erie County, Pennsylvania

The median age in Erie County, Pennsylvania is 40.2 years.

According to latest Census data, the total population of Erie County, Pennsylvania is 269,052.

In Erie County, Pennsylvania, seniors (ages 65+) make up 19.7% of the population, while children under 18 represent 15.6%.

Based on historical data since 2010, the population in Erie County, Pennsylvania is aging.
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