Cost of living in Lake San Marcos, CA

Lake San Marcos is a census-designated place in San Diego County, CA. ACS 2024 5-year population is 4,693. Median gross rent is $2,585 (ACS 2024 5-year, this place). Median home value is $917,000. Median household income is $89,851. Insurance is the NAIC state average; food is a USDA plan — no town indexes.