Pennsylvania Population 2024 Census Data. Trump carried pennsylvania in 2016 by less than a percentage point, or fewer than 45,000 votes out of about 6 million cast. According to these projections, pennsylvania's population is expected to grow from 13.0 million in 2020 to 13.2 million in 2050.

Usafacts uses census data to break down the population of pennsylvania by race, age, and more. 12,961,683), including age, race, sex, income, poverty, marital status, education and more.