Lake San Marcos, California

Lake San Marcos
unincorporated community census-designated place
Location in San Diego County and the state of California
Lake San Marcos Location in the United States
Coordinates: 33°7′21″N 117°12′34″W / 33.12250°N 117.20944°W / 33.12250; -117.20944
Country	United States
State	California
County	San Diego
Area [1]
• Total	1.807 sq mi (4.679 km2)
• Land	1.721 sq mi (4.457 km2)
• Water	0.086 sq mi (0.223 km2)  4.76%
Elevation	525 ft (160 m)
Population  (2010)
• Total	5,328
• Density	2,900/sq mi (1,100/km2)
Time zone	UTC-8 (PST)
• Summer (DST)	UTC-7 (PDT)
ZIP code	92078
Area codes	442/760
FIPS code	06-39724
GNIS feature ID	1660879

Lake San Marcos is a unincorporated community in the North County region of the San Diego metropolitan area. For statistical purposes, the United States Census Bureau has defined the community as a census-designated place (CDP). Surrounded by the city of San Marcos, the county-governed area receives certain services from the city.