Download the list of Psychologists in Pennsylvania. Smartscrapers provides an accurate directory and the latest data on the number of Psychologists in Pennsylvania There are 7685 Psychologists in Pennsylvania as of May 5, 2025; which is an 0.03% increase from 2023. Of these locations, 5600 Psychologists which is 72.87% of all Psychologists in Pennsylvania are single-owner operations, while the remaining 2085 which is 27.13% are part of larger brands. The top three cities with the most Psychologists are Philadelphia with 3263 Psychologists, Pittsburgh with 554 Psychologists, York with 204 Psychologists. Average age of Psychologists in Pennsylvania is 5 years .