There are 56 municipalities classified as cities in the U.S. state of Pennsylvania.
The City of Parker is the only city that still operates under a special act, and has a weak mayor-council form of government.
[2] Two cities have adopted optional plans under the same law.
From 1957 to 1972, third class cities were able to adopt optional charters, of which 9 remain in effect.
Cities that operate under home rule charters, optional plans, or optional charters are also found in the List of Pennsylvania municipalities and counties with home rule charters, optional charters, or optional plans.