There are 128 Pet Services in Middlesex County, Massachusetts, serving a population of 1,582,857 people in an area of 818 square miles. There is 1 Pet Service per 12,366 people, and 1 Pet Service per 6 square miles.
In Massachusetts, Middlesex County is ranked 7th of 14 counties in Pet Services per capita, and 2nd of 14 counties in Pet Services per square mile.