There are 125 Orthodontists in Philadelphia County, Pennsylvania, serving a population of 1,569,657 people in an area of 135 square miles. There is 1 Orthodontist per 12,557 people, and 1 Orthodontist per 1 square miles.
In Pennsylvania, Philadelphia County is ranked 39th of 67 counties in Orthodontists per capita, and 1st of 67 counties in Orthodontists per square mile.