Union County had the greatest increase in population, growing by 10.4 percent from 63,085 to 69,637 between 2020 and 2023.

Pennsylvania has recorded a modest population increase in recent years, with most of the growth concentrated in the Southeast ...

Pennsylvania ... than the 11,798,292 population seen in 2020. However, some counties in the state are increasing sharply in population, while others are declining. The county with the greatest ...