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ZIP 94028 · Portola Valley

Who lives in ZIP code 94028 (Portola Valley, CA): age, income, housing, education and work.

Source: uszips 2026 (ACS-based ZIP file)

2026 ZIP profile

Portola Valley, CA · San Mateo County

uszips 2026
People6,531
Median age57.2
Household income$250,001
Home value$2,000,001
Median rent$3,501/mo
Poverty4.4%
College degree+82.9%
Commute18 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
146 / sq mi
Housing units
2,637

Spans 2 counties

San Mateo81%
Santa Clara19%

Share of the ZIP's people in each county.

Age mix

Under 1011.0%
10–197.9%
20s4.8%
30s6.5%
40s10.2%
50s11.9%
60s19.2%
70s13.8%
80+14.7%

39.7% are 65 or older; 82.1% are adults.

Household income

Under $25K6.1%
$25K–50K2.9%
$50K–75K1.3%
$75K–100K4.9%
$100K–150K15.2%
$150K+69.7%

84.9% of households earn $100K+. Median per person: $124,341.

Education (adults 25+)

Less than high school5.1%
High school2.7%
Some college9.3%
Bachelor's33.2%
Graduate49.7%

63.4% of degrees are in STEM fields.

Race

White76.6%
Black0.1%
Asian9.3%
Native American0.0%
Pacific Islander0.0%
Other5.1%
Two or more8.9%

11.3% Hispanic or Latino (of any race).

Households & family

Married
67.1%
Never married
18.1%
Divorced
9.2%
Widowed
5.7%
Family size
2.84
Dual-income families
35.6%

Housing

Own their home
81.9%
Rent burden
32.1%
Men / women
51% / 50%

Work

In labor force
51.8%
Unemployment
4.3%
Self-employed
25.9%
Farmers
0.0%

Community

Charitable givers
62.6%
Veterans
5.2%
With a disability
9.3%
No health insurance
2.8%
Limited English
1.2%

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

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