Salton City is a census-designated place (CDP) in Imperial County, California. The population was 3,763 at the 2010 census, up from 978 in 2000. It is the largest Imperial County development on the Salton coast. It is part of the El Centro, California Metropolitan Statistical Area. Although maps at first view show Salton City to be a sizable community, very few of the surveyed streets and roads were ever developed. The town was developed in the 1950s and established in 1958 primarily by M.