Cost of living in San Mateo, CA

San Mateo is a Census city in San Mateo County, CA. ACS 2024 5-year population is 103,105. Median gross rent is $3,077 (ACS 2024 5-year, this place). Median home value is $1,618,700. Median household income is $153,504. Insurance is the NAIC state average; food is a USDA plan — no town indexes.