There are 31 Pollution Control Companies in Rhode Island, serving a population of 1,056,138 people in an area of 1,034 square miles. There is 1 Pollution Control Company per 34,068 people, and 1 Pollution Control Company per 33 square miles.
The state of Rhode Island is ranked 21st in Pollution Control Companies per capita, and 4th in Pollution Control Companies per square mile.