There are 119 Pollution Control Companies in San Diego County, California, serving a population of 3,283,665 people in an area of 4,206 square miles. There is 1 Pollution Control Company per 27,593 people, and 1 Pollution Control Company per 35 square miles.
In California, San Diego County is ranked 31st of 58 counties in Pollution Control Companies per capita, and 11th of 58 counties in Pollution Control Companies per square mile.