The estimated 2008 population was 12,448,279 people.
There is aproxamitely 12,604,757 people in Pennsylvania
According to the US Census, as of April, 2010, the population was 12,702,379.An estimate in late 2011 was 12,742,886.
160,000,000 -2011
The 2008 US Census recorded 1,318 residents.