Desert Hot Springs, California. City of Desert Hot Springs. Desert Hot Springs, also known as DHS, 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 natur