Folsom is a city in Sacramento County, California, United States. It is commonly known for Folsom State Prison, made famous in the song "Folsom Prison Blues" by Johnny Cash, as well as for Folsom Lake. The population was 80,454 at the 2020 census.
Folsom is part of the Sacramento−Arden-Arcade−Roseville Metropolitan Statistical Area.
Folsom is named for Joseph Libbey Folsom who purchased Rancho Rio de los Americanos from the heirs of San Francisco merchant William Alexander Leidesdorff, and laid out the town called Granite City, mostly occupied by gold miners seeking their fortune in the Sierra Nevada foothills. Though few amassed a great deal of wealth, the city prospered due to Joseph Folsom's lobbying to get a railway to connect the town with Sacramento. Joseph died in 1855, and Granite City was later renamed Folsom in his honor. The railway was abandoned in the 1980s but opened up as the terminus of the Gold Line of Sacramento Regional Transit District's light rai