There are 435 Plumbing Services in Honolulu County, Hawaii, serving a population of 990,060 people in an area of 601 square miles. There is 1 Plumbing Service per 2,276 people, and 1 Plumbing Service per 1 square miles.
In Hawaii, Honolulu County is ranked 4th of 5 counties in Plumbing Services per capita, and 1st of 5 counties in Plumbing Services per square mile.