Gold River is a census-designated place (CDP) in Sacramento County, California, United States. The population was 7,844 at the 2020 census, down from 7,912 at the 2010 census. Gold River is part of the Sacramento-Arden-Arcade-Roseville Metropolitan Statistical Area. With a median family income of $141,399 according to U.S. Census Bureau in 2021, Gold River is the highest-income community in Sacramento County.