Erie County, Pennsylvania Age & Gender Distribution (2024)
Population distribution by age and gender for Erie County, Pennsylvania
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

Erie County, Pennsylvania Demographic Trend
Since 2010, the population of has changed by -3.6%%.
-3.6%% Growth
Erie County, Pennsylvania Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Erie County, Pennsylvania Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 40.2 | 269,052 |
| 2023 | 40.1 | 269,544 |
| 2022 | 39.9 | 270,495 |
| 2021 | 39.9 | 271,903 |
| 2020 | 39.7 | 272,046 |
| 2019 | 39.7 | 273,835 |
| 2018 | 39.4 | 275,972 |
| 2017 | 39.0 | 277,794 |
| 2016 | 38.9 | 279,133 |
| 2015 | 38.8 | 279,858 |
| 2014 | 38.7 | 280,132 |
| 2013 | 38.6 | 280,518 |
| 2012 | 38.5 | 280,181 |
| 2011 | 38.5 | 279,824 |
| 2010 | 38.4 | 279,234 |
Erie County, Pennsylvania Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.1% |
| 5–17 | 15.6% |
| 18–24 | 10.0% |
| 25–34 | 12.5% |
| 35–54 | 23.6% |
| 55–64 | 13.4% |
| 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.