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ZIP 94402 · San Mateo

Who lives in ZIP code 94402 (San Mateo, CA): age, income, housing, education and work.

Source: uszips 2026 (ACS-based ZIP file)

2026 ZIP profile

San Mateo, CA · San Mateo County

uszips 2026
People25,475
Median age40.8
Household income$172,522
Home value$2,000,001
Median rent$3,501/mo
Poverty5.2%
College degree+68.6%
Commute26 min

Place

Metro area
San Francisco-Oakland-Fremont, CA
Wider region
San Jose-San Francisco-Oakland, CA
Metro division
San Francisco-San Mateo-Redwood City, CA
Time zone
Pacific
Density
1,947 / sq mi
Housing units
10,125

County

San Mateo100%

Share of the ZIP's people in each county.

Age mix

Under 1011.5%
10–1912.0%
20s10.0%
30s15.3%
40s13.3%
50s12.9%
60s11.2%
70s7.3%
80+6.7%

19.9% are 65 or older; 78.1% are adults.

Household income

Under $25K4.7%
$25K–50K8.0%
$50K–75K7.3%
$75K–100K8.4%
$100K–150K15.5%
$150K+56.2%

71.7% of households earn $100K+. Median per person: $97,902.

Education (adults 25+)

Less than high school4.1%
High school10.7%
Some college16.5%
Bachelor's32.6%
Graduate36.0%

58.3% of degrees are in STEM fields.

Race

White48.9%
Black1.1%
Asian29.0%
Native American0.0%
Pacific Islander0.8%
Other6.2%
Two or more14.0%

15.7% Hispanic or Latino (of any race).

Households & family

Married
55.9%
Never married
30.4%
Divorced
8.3%
Widowed
5.4%
Family size
3.14
Dual-income families
56.6%

Housing

Own their home
58.4%
Rent burden
28.9%
Men / women
47% / 53%

Work

In labor force
65.8%
Unemployment
4.0%
Self-employed
19.9%
Farmers
0.2%

Community

Charitable givers
48.3%
Veterans
2.8%
With a disability
7.6%
No health insurance
3.7%
Limited English
5.7%

Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.

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