Cost of living in Foster City, CA
Foster City is a Census city in San Mateo County, CA. ACS 2024 5-year population is 32,792. Median gross rent is $3,501 (ACS 2024 5-year, this place). Median home value is $1,838,200. Median household income is $199,143. Insurance is the NAIC state average; food is a USDA plan — no town indexes.