In 2011, the population was about 12,742,886!
The estimated population of Pennsylvania is around 12.8 million people according to the most recent data from the U.S. Census Bureau.
In 2008, the estimated population of Pennsylvania was 12,432,792. In 2013, the census bureau estimated the population of Pennsylvania was 12,773,801.
The population of Lancaster County, Pennsylvania is 470,658.
The population of Berks County, Pennsylvania is 373,638.
The population of Pennsylvania in 1775 was approximately 300,000. It was the second highest in population after Virginia in 1775.
Pennsylvania State University Libraries's population is 576.
Pennsylvania Virtual Charter School's population is 210.
4.06% of the total US population lives in Pennsylvania.
Philadelphia, Pennsylvania has a population of 1,540,351
Philadelphia, Pennsylvania has a population of 1,540,351
140,000
The 2006 Census estimate was 316,718. Pennsylvania has lost population in every Census since 1950 when it had a population of 676,806 residents.