There are 413 Pet Health Services in Middlesex County, Massachusetts, serving a population of 1,582,857 people in an area of 818 square miles. There is 1 Pet Health Service per 3,832 people, and 1 Pet Health Service per 1 square miles.
In Massachusetts, Middlesex County is ranked 8th of 14 counties in Pet Health Services per capita, and 2nd of 14 counties in Pet Health Services per square mile.