Population of Pennsylvania 2021
Population
Pennsylvania has 12,702,379 residents (as of the US Census 2010), of which 79.5% are white, 10.8% African-American, 5.7% Hispanic, 2.7% Asian, 0.2% Indian.
Ancestry
In the American Community Survey in 2014, 3,239,286 Pennsylvania residents said they had German ancestors. With a share of 25.3% of the total population, people of German origin represent the largest group of the population in the state. They are followed by the Irish (16.4%), Italian (12.2%), English (7.0%) and people of Polish origin (6.4%).
Religion
The religious communities with the largest number of members 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 followers.
Languages
Pennsylvania does not officially have an official language. However, mainly the English language and partly also the German language are used officially.
Top Counties by Population in Pennsylvania
| Rank | County Name | Population | Population Density (per km²) |
| 1 | Philadelphia County | 1,526,017 | 4,124.37 |
| 2 | Allegheny County | 1,223,359 | 633.86 |
| 3 | Montgomery County | 799,885 | 634.33 |
| 4 | Bucks County | 625,260 | 388.12 |
| 5 | Delaware County | 558,990 | 1,129.27 |
| 6 | Lancaster County | 519,456 | 203.79 |
| 7 | Chester County | 498,897 | 253.50 |
| 8 | York County | 434,983 | 184.55 |
| 9 | Berks County | 411,453 | 183.44 |
| 10 | Westmoreland County | 365,180 | 136.11 |
| 11 | Lehigh County | 349,508 | 386.62 |
| 12 | Luzerne County | 320,929 | 136.62 |
| 13 | Northampton County | 297,746 | 305.07 |
| 14 | Erie County | 280,577 | 135.61 |
| 15 | Dauphin County | 268,111 | 185.54 |
| 16 | Cumberland County | 235,417 | 164.97 |
| 17 | Lackawanna County | 214,448 | 178.11 |
| 18 | Washington County | 207,831 | 93.20 |
| 19 | Butler County | 183,873 | 89.30 |
| 20 | Beaver County | 170,550 | 148.30 |
| 21 | Monroe County | 169,853 | 106.29 |
| 22 | Centre County | 154,001 | 53.47 |
| 23 | Franklin County | 149,629 | 74.93 |
| 24 | Schuylkill County | 148,300 | 73.60 |
| 25 | Cambria County | 143,690 | 80.05 |
| 26 | Fayette County | 136,617 | 66.09 |
| 27 | Lebanon County | 133,579 | 142.11 |
| 28 | Blair County | 127,100 | 93.11 |
| 29 | Mercer County | 116,649 | 65.94 |
| 30 | Lycoming County | 116,122 | 36.04 |
| 31 | Adams County | 101,418 | 75.01 |
| 32 | Northumberland County | 94,539 | 76.55 |
| 33 | Lawrence County | 91,119 | 96.94 |
| 34 | Indiana County | 88,891 | 41.15 |
| 35 | Crawford County | 88,776 | 33.03 |
| 36 | Clearfield County | 81,653 | 27.32 |
| 37 | Somerset County | 77,753 | 27.77 |
| 38 | Armstrong County | 68,952 | 40.09 |
| 39 | Columbia County | 67,306 | 53.04 |
| 40 | Carbon County | 65,260 | 65.13 |
| 41 | Bradford County | 62,633 | 20.83 |
| 42 | Pike County | 57,380 | 39.06 |
| 43 | Venango County | 54,995 | 31.09 |
| 44 | Wayne County | 52,833 | 27.16 |
| 45 | Bedford County | 49,773 | 18.93 |
| 46 | Mifflin County | 46,693 | 43.44 |
| 47 | Perry County | 45,980 | 31.93 |
| 48 | Huntingdon County | 45,924 | 19.95 |
| 49 | Jefferson County | 45,211 | 26.56 |
| 50 | Union County | 44,958 | 54.76 |
| 51 | McKean County | 43,461 | 17.05 |
| 52 | Susquehanna County | 43,367 | 20.12 |
| 53 | Tioga County | 41,992 | 14.26 |
| 54 | Warren County | 41,826 | 17.98 |
| 55 | Clarion County | 39,999 | 25.36 |
| 56 | Snyder County | 39,713 | 46.18 |
| 57 | Clinton County | 39,249 | 16.87 |
| 58 | Greene County | 38,697 | 25.85 |
| 59 | Elk County | 31,957 | 14.83 |
| 60 | Wyoming County | 28,287 | 26.97 |
| 61 | Juniata County | 24,647 | 24.16 |
| 62 | Montour County | 18,278 | 53.44 |
| 63 | Potter County | 17,468 | 6.24 |
| 64 | Fulton County | 14,856 | 13.10 |
| 65 | Forest County | 7,727 | 6.92 |
| 66 | Sullivan County | 6,439 | 5.50 |
| 67 | Cameron County | 5,096 | 4.93 |