Desert Hot Springs is a city in Riverside County, California, United States. The city is located within the Coachella Valley geographic region, sometimes referred to as the Desert Empire. The population was 25,938 at the 2010 census, up from 16,582 at the 2000 census. The city has undergone rapid development and high population growth since the 1970s when there were 2,700 residents. It is named for its many natural hot springs. It is one of few places in the world with naturally occurring hot- and cold mineral springs. Desert Hot Springs is home to the largest collection of warm mineral springs in the United States.