There are 239 Pet Health Services in San Mateo County, California, serving a population of 763,450 people in an area of 449 square miles. There is 1 Pet Health Service per 3,194 people, and 1 Pet Health Service per 1 square miles.
In California, San Mateo County is ranked 31st of 58 counties in Pet Health Services per capita, and 3rd of 58 counties in Pet Health Services per square mile.