There are 187 Pet Health Services in Washington County, Oregon, serving a population of 572,071 people in an area of 725 square miles. There is 1 Pet Health Service per 3,059 people, and 1 Pet Health Service per 3 square miles.
In Oregon, Washington County is ranked 30th of 36 counties in Pet Health Services per capita, and 2nd of 36 counties in Pet Health Services per square mile.