Pennsylvania has a relatively small surface area, but like many states on the eastern edge of the USA, it has a relatively dense population by comparison. At the 2010 census, it was confirmed that there were 12,702,379 people living in Pennsylvania and that number represented a 3.4% rise in the numbers declared in 2000.
Pennsylvania is currently the 9th most densely populated state in the country with a density of 283.9 people per square mile. A great deal of the state's population is in Philadelphia and its surrounding areas, as the city has a population of 1.56 million. Far behind in terms of population are Pittsburgh (304.391), Allentown (120,207), Erie (99,475) and Reading (87,879). In terms of the most populated counties in Pennsylvania, two in particular top the list - Philadelphia County at 1,580,863 and Allegheny County at 1,223,048.
Pennsylvania Gender and Religion Statistics
The median age of the population in Pennsylvania is approximately 40.6 years of age. In terms of the ratio of females to males, the state is currently at 51.1% females and 48.9% males.
In terms of preferred religions across the population of Pennsylvania, 73% are affiliated with Christian based faiths, 6% are affiliated with non-Christian faiths, and 21% are unaffiliated with any religion.
Pennsylvania Boundary, Census, and Statehood History
Pennsylvania was one of the 13 original States. In 1792 the acquisition of the Erie Triangle at its northwest corner brought it to essentially its present boundaries. In 1790 census coverage included all parts of the present State except for the Erie Triangle.