Vader is a city in Lewis County, Washington, United States. The population was 629 at the 2020 census.
A Street in Vader
Ben Olsen House
Lewis County is a county in the U.S. state of Washington. As of the 2020 census, the county's population was 82,149. The county seat is Chehalis, and its largest city is Centralia. Lewis County comprises the Centralia, WA Micropolitan Statistical Area, which is also included in the Seattle-Tacoma, WA Combined Statistical Area.
Lewis County Historic Courthouse