Adelanto is located in San Bernardino County. The population estimate for July 1, 1998 was 15,291, an increase of 8,476 since 1990.
In Spanishm Adelanto means "to go forward" or "to progress." Adelanto was founded in 1915 by E. H. Richardson, the inventor of what became the Hotpoint Electric Iron.
Adelanto is part of the Riverside-San Bernardino, California metro area.
It was founded by inventor E.H. Richardson, who developed the community with profits from selling his patent for an electric iron.