where is forest hill
Foresthill is a census-designated place (CDP) in Placer County, California, United States. It is part of the Sacramento â Arden-Arcade â Roseville Metropolitan Statistical Area. The population was 1,483 at the 2010 census, down from 1,791 at the 2000 census.oresthill is a census-designated place (CDP) in Placer County, California, United States. It is part of the Sacramento â Arden-Arcade â Roseville Metropolitan Statistical Area. The population was 1,483 at the 2010 census, down from 1,791 at the 2000 census.