Greenwater is a census-designated place (CDP) in the northwest United States in Pierce County, Washington. Southeast of Seattle, the population was 67 at the 2010 census, down from 91 in 2000. At the 2020 census, the population was 95.
Based on per capita income, Greenwater ranks 17th of 522 areas in the state of Washington to be ranked, and is the highest in Pierce County. East of Enumclaw on Highway 410, Greenwater gains much of its popularity as a town for hikers and skiers on their way south to Mount Rainier National Park and Crystal Mountain ski area.
Three popular campgrounds reside in Greenwater: Silver Springs, The Dalles, and Buck Creek.
Geography
According to the United States Census Bureau, the CDP has a total area of 1.5 square miles (3.9 km<sup>2</sup>), all of it land.
Greenwater is located at the confluence of the Greenwater and White Rivers.
Climate
Greenwater has a warm-summer Mediterranean climate (Csb) according to the Köppen climate classification system.
Demographics
As of the census