There are 123 Pollution Control Companies in Oregon, serving a population of 4,025,127 people in an area of 95,963 square miles. There is 1 Pollution Control Company per 32,724 people, and 1 Pollution Control Company per 780 square miles.
The state of Oregon is ranked 19th in Pollution Control Companies per capita, and 38th in Pollution Control Companies per square mile.