Twin Lakes is a census-designated place in Ferry County, Washington. The area is mostly residential with a few businesses and is a popular regional destination spot for vacation and outdoor recreation. As of the 2010 census, 59 people permanently lived in Twin Lakes. The population varies at different times of the year.
Within the Twin Lakes CDP are the two lakes of North Twin Lake and South Twin Lake. The western shore of both lakes is mostly forested, and development is mainly on the eastern shore of both lakes.
The coordinates of Twin Lakes is Latitude: 48.2873409°N and Longitude: -118.3813739°W. The community sits at an elevation of 2,575 feet above sea level. The community makes up 4.2 square miles of land.