Doctor density varies by specialty and location. Pennsylvania has 1,372 practicing orthopedic surgeons. Broken out by city, orthopedic surgery doctor density in Abington is 10, in Aliquippa is 2, in Allentown is 42, in Altoona is 12, in Beaver Falls is 4, in Bethlehem is 47, in Bloomsburg is 7, in Bradford is 4, in Brookhaven is 5, in Brookville is 1, in Butler is 15, in Carbondale is 2, in Carlisle is 7, in Chambersburg is 11, in Charleroi is 12, in Chester is 18, in Clairton is 10, in Clarion is 8, in Coatesville is 2, in Connellsville is 2, in Coraopolis is 4, in Corry is 6, in Cranberry Township is 27, in Danville is 22, in Darby is 3, in Dickson City is 8, in Downingtown is 1, in Doylestown is 17, in Du Bois is 8, in East Stroudsburg is 18, in Easton is 23, in Elkins Park is 8, in Ephrata is 18, in Erie is 52, in Exton is 10, in Farrell is 3, in Flourtown is 3, in Fort Washington is 5, in Franklin is 5, in Gettysburg is 16, in Greensburg is 10, in Greenville is 6, in Hamburg is 1, in Harleysville is 1, in Harrisburg is 47, in Havertown is 18, in Hazleton is 5, in Hermitage is 13, in Homestead is 4, in Jeannette is 3, in Jenkintown is 10, in Kane is 4, in Lancaster is 43, in Lansdale is 7, in Latrobe is 6, in Lebanon is 10, in Levittown is 4, in Lewisburg is 9, in Lock Haven is 1, in Malvern is 4, in Mckeesport is 9, in Meadowbrook is 7, in Meadville is 9, in Moon Township is 15, in Moscow is 1, in New Castle is 6, in Newport is 4, in Newtown Square is 10, in Peckville is 2, in Philadelphia is 355, in Philipsburg is 2, in Phoenixville is 4, in Pittsburgh is 213, in Pottstown is 13, in Pottsville is 9, in Quakertown is 12, in Radnor is 16, in Reading is 15, in Richboro is 6, in Ridgway is 1, in Ridley Park is 12, in Rockledge is 7, in Scranton is 11, in Sharon is 2, in Sugarloaf is 11, in Sunbury is 1, in Tamaqua is 2, in Titusville is 3, in Tobyhanna is 6, in Towanda is 3, in Tyrone is 1, in Villanova is 1, in Warren is 4, in Washington is 15, in Waynesburg is 3, in West Chester is 12, in Williamsport is 7, in Willow Street is 7, in Wynnewood is 8, and in York is 26.

Pennsylvania was the second state admitted to the union in 1787, and has a rich historical background. The population of Pennsylvania is 12,429,616, and its capital is Harrisburg. Historical sites include Valley Forge National Historical Park, the Liberty Bell, Independence Hall, and the Betsy Ross House. Visit the Andy Warhol museum in Pittsburgh, the American Civil War Museum in Gettysburg, or tour the Indian Caverns in Spruce Creek.

According to 2005 Census estimates, Pennsylvania has a population of 12,429,616. Of this population, 2,754,906 are under the age of 18 and 1,887,277 are at or above the age of 65.