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ZIP 94401 · San Mateo

Who lives in ZIP code 94401 (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
People35,295
Median age35.9
Household income$122,227
Home value$1,186,366
Median rent$2,762/mo
Poverty12.2%
College degree+46.2%
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
4,381 / sq mi
Housing units
13,026

County

San Mateo100%

Share of the ZIP's people in each county.

Age mix

Under 1010.9%
10–1910.7%
20s16.3%
30s17.9%
40s12.4%
50s9.1%
60s10.8%
70s6.9%
80+4.8%

16.6% are 65 or older; 80.8% are adults.

Household income

Under $25K10.5%
$25K–50K13.8%
$50K–75K10.0%
$75K–100K9.0%
$100K–150K14.3%
$150K+42.2%

56.5% of households earn $100K+. Median per person: $51,558.

Education (adults 25+)

Less than high school14.8%
High school15.1%
Some college23.8%
Bachelor's27.7%
Graduate18.5%

54.9% of degrees are in STEM fields.

Race

White29.6%
Black1.4%
Asian24.2%
Native American4.1%
Pacific Islander2.8%
Other17.5%
Two or more20.4%

38.0% Hispanic or Latino (of any race).

Households & family

Married
40.1%
Never married
41.3%
Divorced
13.1%
Widowed
5.4%
Family size
3.30
Dual-income families
60.9%

Housing

Own their home
43.4%
Rent burden
33.0%
Men / women
50% / 50%

Work

In labor force
67.6%
Unemployment
3.6%
Self-employed
17.5%
Farmers
0.0%

Community

Charitable givers
28.6%
Veterans
2.4%
With a disability
11.3%
No health insurance
5.4%
Limited English
12.3%

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

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