Stevenson is a city in Skamania County, Washington, United States. The population was 1,465 at the 2010 census, a 22% increase over 2000. It is the county seat of Skamania County and home to the Skamania County Court House and Sheriff's Office. Stevenson is home to the Columbia Gorge Interpretive Center, which focuses on several tribes that were once located near the Columbia River.