There are 396 Orthodontists in King County, Washington, serving a population of 2,118,119 people in an area of 2,115 square miles. There is 1 Orthodontist per 5,348 people, and 1 Orthodontist per 5 square miles.
In Washington, King County is ranked 3rd of 39 counties in Orthodontists per capita, and 1st of 39 counties in Orthodontists per square mile.