Cost of living in San Geronimo, CA

San Geronimo is a census-designated place in Marin County, CA. ACS 2024 5-year population is 583. Rent uses Marin County ACS 2024 5-year median gross rent; San Geronimo is too small for ACS housing. HUD FMR not bundled. Median home value is $1,175,500. Median household income is $171,932. Insurance is the NAIC state average; food is a USDA plan — no town indexes.