POPULATION: INFO: Evergreen County is located along the northwest coast of Douglas Island and is home to the Douglas Island capital in Shelter Bay. Evergreen County's largest city, and culture center is Shelter Bay. It is the driving force in economy and services in the county. Evergreen, Greenwood, Stevenson, and Rainier City are other towns in Evergreen County. The climate as a whole in Evergreen County is mild. Rain prevails in this area, with clouds and fog. Summer has nice mild, and mostly clear days.