Pennsylvania has a population of 12,702,379 (as of the 2010 U.S. Census), of which 79.5% are white, 10.8% African American, 5.7% Hispanic, 2.7% Asian, 0.2% Native American.
Age and gender structure
The age distribution of Pennsylvania is as follows:
- up to 18 years: 2,807,534 (22.6 %)
- 18-64 years: 7,749,853 (62.3 %)
- 65 years and older: 1,883,231 (15.1 %)
The median age is 39.6 years. 48.6% of the population is male and 51.4% is female.
Ancestry
3,239,286 Pennsylvania residents reported having ethnic German ancestors in the 2014 American Community Survey. With a share of 25.3% of the total population, ethnic Germans are the largest population group in the state. They are followed by a wide margin by groups of Irish (16.4%), Italian (12.2%), English (7.0%), and Polish (6.4%) descent.
German-speaking immigrants, the Pennsylvania Dutch, among them Mennonites and Amish, settled mainly in the South, especially in Lancaster County. Germantown was founded in 1683. Berks County was settled mostly by Protestant Germans in the 18th century. 30,000 immigrants from 1727 to 1776 are published by name with details of names of ships, place of embarkation, and date of arrival in Philadelphia.
Population development
| Population development |
| Census | Inhabitants | | ± in % |
| 1790 | 434.373 | | - — |
| 1800 | 602.365 | | 38,7 % |
| 1810 | 810.091 | | 34,5 % |
| 1820 | 1.049.458 | | 29,5 % |
| 1830 | 1.348.233 | | 28,5 % |
| 1840 | 1.724.033 | | 27,9 % |
| 1850 | 2.311.786 | | 34,1 % |
| 1860 | 2.906.215 | | 25,7 % |
| 1870 | 3.521.951 | | 21,2 % |
| 1880 | 4.282.891 | | 21,6 % |
| 1890 | 5.258.113 | | 22,8 % |
| 1900 | 6.302.115 | | 19,9 % |
| 1910 | 7.665.111 | | 21,6 % |
| 1920 | 8.720.017 | | 13,8 % |
| 1930 | 9.631.350 | | 10,5 % |
| 1940 | 9.900.180 | | 2,8 % |
| 1950 | 10.498.012 | | 6 % |
| 1960 | 11.319.366 | | 7,8 % |
| 1970 | 11.793.909 | | 4,2 % |
| 1980 | 11.863.895 | | 0,6 % |
| 1990 | 11.881.643 | | 0,1 % |
| 2000 | 12.281.054 | | 3,4 % |
| 2010 | 12.702.379 | | 3,4 % |
| Before 1900 1900–1990 2000 |
Religions
The largest religious denominations in 2000 were the Catholic Church with 3,802,524, the United Methodist Church with 659,350, and the Evangelical Lutheran Church in America with 611,913 adherents. Philadelphia is home to the North American headquarters of the Medical Mission Sisters (MMS).
Languages
Pennsylvania has no official language. However, the English language and partly also the German language are mainly used by official bodies.
Largest cities
See also: List of places in Pennsylvania