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San Mateo city, CA

ZIP 94402 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Wealthy AreaLow Snow AreaRemote Work Hub

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 94402

94402 has a population of 25,498 with a median age of 40.6 yrs (46.9% male).

Race & Ethnicity
White
51.7%-16% vs US avg
x
Black
1.4%-89% vs US avg
x
Asian
26.6%+351% vs US avg
x
Hispanic
15.0%-20% vs US avg
x
Other / Two+
5.3%
x
Age Groups
0–17
22.4%+2% vs US avg
x
18–64
58.8%-5% vs US avg
x
65+
18.9%+16% vs US avg
x
Education
Less than HS
4.6%-59% vs US avg
x
High school
10.0%-62% vs US avg
x
Some college
16.1%-44% vs US avg
x
Bachelor's+
69.3%+106% vs US avg
x
Marital Status
Married
56.3%+17% vs US avg
x
Never married
30.7%-9% vs US avg
x
Divorced
6.9%-33% vs US avg
x
Widowed / Separated
6.1%
x
Diversity Index
64/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Poverty Rate
6.1%-47% vs US avg
x
Foreign Born
30.1%+117% vs US avg
x
Veterans
3.3%-44% vs US avg
x
Disability
7.8%-42% vs US avg
x
Single Parent
6.2%-24% vs US avg
x
Recent Births
80.9%+1296% vs US avg
x
Top ancestry
IrishGermanItalian

Health & Community Indicators in 94402

Poverty Rate
6.1%-47% vs US avg
x
Veterans
3.3%-44% vs US avg
x
Foreign Born
30.1%+117% vs US avg
x
Single Parent
6.2%-24% vs US avg
x
Disability
7.8%-42% vs US avg
x
Uninsured
2.9%-64% vs US avg
x
SNAP Benefits
2.1%-82% vs US avg
x
Private School
0.9%-91% vs US avg
x
Recent Births
80.9%+1296% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population25,498
Median age40.6
Poverty rate6.1%
Demographics statistics
Demographics
White51.7%
Hispanic15.0%
Black1.4%
Asian26.6%
Foreign-born30.1%