Palouse is a city in Whitman County, Washington, United States. The population was 998 at the 2010 census. Take a look below for 10 interesting and fun facts about Palouse, Washington, United States. 1. Palouse was first settled in 1869 by William Ewing. 2. The townsite was founded in 1875 by W.P. Breeding. 3. Palouse…