There are 73 Alteration Services in Washington, serving a population of 7,169,967 people in an area of 66,439 square miles. There is 1 Alteration Service per 98,218 people, and 1 Alteration Service per 910 square miles.
The state of Washington is ranked 29th in Alteration Services per capita, and 28th in Alteration Services per square mile.