There are 110 Interior Designers in Washington County, Oregon, serving a population of 572,071 people in an area of 725 square miles. There is 1 Interior Designer per 5,200 people, and 1 Interior Designer per 6 square miles.
In Oregon, Washington County is ranked 19th of 36 counties in Interior Designers per capita, and 2nd of 36 counties in Interior Designers per square mile.