There are 105 Periodontists in Philadelphia County, Pennsylvania, serving a population of 1,569,657 people in an area of 135 square miles. There is 1 Periodontist per 14,949 people, and 1 Periodontist per 1 square miles.
In Pennsylvania, Philadelphia County is ranked 14th of 67 counties in Periodontists per capita, and 1st of 67 counties in Periodontists per square mile.