- Rainier, Washington (Wikipedia)
Rainier (/reɪˈnɪər/ ray-NEER) is a city in Thurston County, Washington, United States. Beginning as a train stop in the 1870s, Rainier was first settled in 1890 and would become known as a logging town. The city was officially incorporated in 1947. As of the 2020 census, Rainier had a population of 2,369.