There are 698 Landscape Architects & Designers in Washington, serving a population of 7,169,967 people in an area of 66,439 square miles. There is 1 Landscape Architects & Designer per 10,272 people, and 1 Landscape Architects & Designer per 95 square miles.
The state of Washington is ranked 20th in Landscape Architects & Designers per capita, and 24th in Landscape Architects & Designers per square mile.