Lake San Marcos, California

Lake San Marcos is a census-designated place (CDP) in the North County region of the San Diego metropolitan area, located in northern San Diego County, California.GeographyLake San Marcos is adjacent to the City of San Marcos. It is a resort-based community surrounding the Lake San Marcos reservoir. It is located at (33.122562, -117.209411).According to the United States Census Bureau, the CDP has a total area of 1.8sqmi. 1.7sqmi of it is land and 0.1sqmi of it (4.76%) is water. The lake after which the area is named is a large artificial pond created for recreational purposes.DemographicsThe population was 4,437 at the 2010 census, up from 4,138 at the 2000 census. The community attracts a large number of retired and elderly residents.2010The 2010 United States Census reported that Lake San Marcos had a population of 4,437. The population density was 2,455.8 people per square mile (948.2/km²). The racial makeup of Lake San Marcos was 3,978 (89.7%) White, 37 (0.8%) African American, 20 (0.5%) Native American, 133 (3.0%) Asian, 3 (0.1%) Pacific Islander, 186 (4.2%) from other races, and 80 (1.8%) from two or more races. Hispanic or Latino of any race were 464 persons (10.5%).