ZIP 94546 · Castro Valley
Who lives in ZIP code 94546 (Castro Valley, CA): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Castro Valley, CA · Alameda County
uszips 2026
People44,855
Median age41.7
Household income$128,385
Home value$1,042,643
Median rent$2,539/mo
Poverty6.6%
College degree+41.6%
Commute32 min
Place
- Metro area
- San Francisco-Oakland-Fremont, CA
- Wider region
- San Jose-San Francisco-Oakland, CA
- Metro division
- Oakland-Fremont-Berkeley, CA
- Time zone
- Pacific
- Density
- 1,085 / sq mi
- Housing units
- 15,565
County
Share of the ZIP's people in each county.
Age mix
18.5% are 65 or older; 79.1% are adults.
Household income
61.9% of households earn $100K+. Median per person: $59,306.
Education (adults 25+)
53.9% of degrees are in STEM fields.
Race
23.5% Hispanic or Latino (of any race).
Households & family
- Married
- 54.3%
- Never married
- 30.7%
- Divorced
- 9.8%
- Widowed
- 5.2%
- Family size
- 3.32
- Dual-income families
- 60.2%
Housing
- Own their home
- 66.3%
- Rent burden
- 31.9%
- Men / women
- 49% / 51%
Work
- In labor force
- 64.6%
- Unemployment
- 3.7%
- Self-employed
- 14.9%
- Farmers
- 0.0%
Community
- Charitable givers
- 35.2%
- Veterans
- 4.4%
- With a disability
- 10.5%
- No health insurance
- 4.1%
- Limited English
- 6.6%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.