to
Update
(FHR) was a census-designated place in Orange County, California, United States. The population was 10,899 at the 2000 census. Foothill Ranch was annexed into Lake Forest, California in 2000.
Foothill Ranch is notable for such company headquarters as Oakley, Inc., Wet Seal, Kaiser Aluminum, RISA Technologies and Saddleback Church.
Foothill Ranch is located at (33.688524, -117.664281). It was incorporated into the city of Lake Forest, California in 2000.
According to the United States Census Bureau, the CDP has a total area of 7.3 km² (2.8 mi²), all land.