Topic summary
Rosemont, California
Rosemont is a census-designated place (CDP) in Sacramento County, California, United States. It is part of the Sacramento–Arden-Arcade–Rosevillemetropolitan area. The population rose to 23,510 at the 2020 census. It was 22,681 at the 2010 census, down from 22,904 at the 2000 census.