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Thursday, August 6, 2026

San Diego vs San Mateo

San Diego, CA compared with San Mateo, CA · 439 miles apart

San Diego has 1,406,106 residents to San Mateo’s 103,337. San Diego comes out ahead on median rent, average commute, price to income. San Mateo does better on median household income, homeownership, bachelor's degree +.

San Diego, CA San Mateo, CA
Population 1,406,106 103,337
Density (per sq mi) 4,313 8,528
Median household income $108,077 $153,504
Median home value $906,700 $1,618,700
Median rent $2,313 $3,077
Homeownership 47.3% 49.9%
Average commute 23.5 min 26.1 min
Median age 36.2 38.3
Bachelor's degree + 51% 57.8%
Poverty rate 11% 8.2%
Unemployment 6% 4.6%
Price to income 8.4× 10.5×
Clear days a year 57
Days above 90°F 12

Highlighted where one city is clearly better on that measure. Population, density, home value and median age carry no highlight — a higher number there is good or bad depending on what you want.

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