San Mateo, CA vs South San Francisco, CA

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

MetricSan Mateo, CASouth San Francisco, CA
Population103,10564,305
Median Household Income$153,504$136,578
Median Rent$3,077/mo$2,802/mo
Median Home Value$1,618,700$1,188,800
Cost of Living (US = 100)116116
Renters Paying 30%+ of Income44.8%50%
Poverty Rate8.2%6.7%
Unemployment Rate3.8%3.8%
Violent Crime Rate /100k168309
Property Crime Rate /100k1,5021,237
Median AQI2727
Good AQI Days /yr281281
Summer Highs73°F73°F
Winter Lows45°F45°F
Snowfall0 in/yr0 in/yr
Avg Commute26.1 min25.6 min
Hospitals1—
Avg Hospital Rating——
Students per Teacher19.718.6
College Degree Rate57.8%40.8%
Foreign-Born %36.2%40.2%
Population Growth (2020–2025)-2.2%-1.8%

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