Douglas County is located near the geographic center of Washington. The Columbia River binds it on the north, the west and the south. Grant County, formerly a part of Douglas County, is on the east. Douglas County is geographically diverse with elevations ranging from 600 feet above sea level near the Columbia River to more than 4,000 feet on Badger Mountain. Basalt rock outcrops and glacial erratics can be found in close proximity to fertile farmland. Irrigated orchard lands are located primarily in the lower elevations while dryland farming dominates the upland areas. Forested areas and areas with steppe shrub vegetation provide diverse wildlife habitat in the county.
With an area of 1,820 square miles, Douglas County ranks 17 in size of Washington’s 39 counties. The estimated 2014 population is 39,700 providing a population density of 21.8 persons per square mile.
Information source: http://www.douglascountywa.net/