There are 304 Pollution Control Companies in Pennsylvania, serving a population of 12,790,505 people in an area of 44,732 square miles. There is 1 Pollution Control Company per 42,074 people, and 1 Pollution Control Company per 147 square miles.
The state of Pennsylvania is ranked 35th in Pollution Control Companies per capita, and 14th in Pollution Control Companies per square mile.