There are 380 Dental Hygienists in Washington, serving a population of 7,169,967 people in an area of 66,439 square miles. There is 1 Dental Hygienist per 18,868 people, and 1 Dental Hygienist per 174 square miles.
The state of Washington is ranked 11th in Dental Hygienists per capita, and 22nd in Dental Hygienists per square mile.