ZIP 94403 · San Mateo
Who lives in ZIP code 94403 (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
People43,276
Median age38.9
Household income$174,917
Home value$1,749,678
Median rent$3,263/mo
Poverty6.6%
College degree+60.5%
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
- 2,966 / sq mi
- Housing units
- 16,414
County
Share of the ZIP's people in each county.
Age mix
16.3% are 65 or older; 80.8% are adults.
Household income
70.5% of households earn $100K+. Median per person: $78,440.
Education (adults 25+)
59.8% of degrees are in STEM fields.
Race
25.3% Hispanic or Latino (of any race).
Households & family
- Married
- 55.3%
- Never married
- 32.6%
- Divorced
- 7.9%
- Widowed
- 4.2%
- Family size
- 3.10
- Dual-income families
- 63.6%
Housing
- Own their home
- 52.5%
- Rent burden
- 27.4%
- Men / women
- 50% / 50%
Work
- In labor force
- 70.6%
- Unemployment
- 5.8%
- Self-employed
- 15.8%
- Farmers
- 0.0%
Community
- Charitable givers
- 38.4%
- Veterans
- 2.9%
- With a disability
- 9.5%
- No health insurance
- 3.2%
- Limited English
- 8.3%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.