South San Francisco, CA vs San Mateo, CA

Side-by-side comparison from the latest government data.

MetricSouth San Francisco, CASan Mateo, CA
Population64,305103,105
Median Household Income$136,578$153,504
Median Rent$2,802/mo$3,077/mo
Median Home Value$1,188,800$1,618,700
Cost of Living (US = 100)116116
Renters Paying 30%+ of Income50%44.8%
Poverty Rate6.7%8.2%
Unemployment Rate3.8%3.8%
Violent Crime Rate /100k309168
Property Crime Rate /100k1,2371,502
Median AQI2727
Good AQI Days /yr281281
Summer Highs73°F73°F
Winter Lows45°F45°F
Snowfall0 in/yr0 in/yr
Avg Commute25.6 min26.1 min
Hospitals—1
Avg Hospital Rating——
Students per Teacher18.619.7
College Degree Rate40.8%57.8%
Foreign-Born %40.2%36.2%
Population Growth (2020–2025)-1.8%-2.2%

Green = clearly better (more than 5% apart). Population, growth, weather, hospital count and foreign-born share aren’t scored.