In 2023, about 12.7 percent of the population of Pennsylvania was between the ages of 25 and 34 years old. A further 11.8 percent of the population was between the ages of 45 and 54 years old in that year.
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U.S. Census Bureau. (September 30, 2024). Distribution of resident population of Pennsylvania in 2023, by age group [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 20, 2026, from /statistics/912116/pennsylvania-population-share-age-group/
U.S. Census Bureau. "Distribution of resident population of Pennsylvania in 2023, by age group." Chart. September 30, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 20, 2026. /statistics/912116/pennsylvania-population-share-age-group/
U.S. Census Bureau. (2024). Distribution of resident population of Pennsylvania in 2023, by age group. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 20, 2026. /statistics/912116/pennsylvania-population-share-age-group/
U.S. Census Bureau. "Distribution of Resident Population of Pennsylvania in 2023, by Age Group." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 30 Sep 2024, /statistics/912116/pennsylvania-population-share-age-group/
U.S. Census Bureau, Distribution of resident population of Pennsylvania in 2023, by age group ÌÇÐÄÆƽâ°æ, /statistics/912116/pennsylvania-population-share-age-group/ (last visited July 20, 2026)
Distribution of resident population of Pennsylvania in 2023, by age group [Graph], U.S. Census Bureau, September 30, 2024. [Online]. Available: /statistics/912116/pennsylvania-population-share-age-group/
