San Mateo, CA Demographics & Local Data

Analyze population trends, housing costs, and the local economy by exploring Map AI.

Area Snapshot

Key statistics on population, economy, housing, and commuting compared to state and national averages. Explore interactive maps for deeper analysis.

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Population

Metric San Mateo California Avg U.S. Average
Population 100,243 38,909,900 334,821,731
Population density (per sq mi) 6324.8 237.3 85.8
Population growth (%/yr) 0.10% 0.19% 0.57%
Median age 36.4 35.4 37.1
Households 39,396 13,415,389 128,459,983

Population Over Time

Year San Mateo

Race & Ethnicity

Group Share

Economy

San Mateo has a the economy index of A+, which means it is exceptionally prosperous.

Metric San Mateo California Avg U.S. Average
Median household income $152,156 $96,718 $78,145
Income growth (%/yr) 6.78% 6.01% 5.07%
Unemployment rate 4.3% 6.4% 5.2%

Detailed wealth and income breakdown →

Housing

Metric San Mateo California Avg U.S. Average
Median home price $376,982 $642,203 $242,182
Median rent $3,073 $1,955 $1,342
Homeownership rate 51.0% 55.8% 65.1%

Full housing market analysis →

Mobility & Commuting

The most common departure window is 08:00 AM – 08:29 AM , followed by 09:00 AM – 09:59 AM .

Metric San Mateo California Avg U.S. Average
Average commute time (min) 23.4 23.6 22.5
Work from home 22.3% 15.5% 13.4%

Commute and transport details →

Education & Households

San Mateo has a education index of A+, which means it is exceptionally educated.

Metric San Mateo California Avg U.S. Average
Bachelor's degree or higher 55.2% 33.0% 31.6%
Average household size 2.56 2.85 2.54

Health

San Mateo has a health index of A+, which means it is exceptionally healthy.

Metric San Mateo California Avg U.S. Average
Life expectancy (years) 83.0 79.6 78.3
Self-rated poor health 10.7% 16.4% 16.3%
Smokers 9.0% 13.9% 19.0%