ZIP 92078 · San Marcos
Who lives in ZIP code 92078 (San Marcos, CA): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
San Marcos, CA · San Diego County
uszips 2026
People53,605
Median age38.8
Household income$120,268
Home value$929,191
Median rent$2,567/mo
Poverty7.0%
College degree+49.2%
Commute27 min
Place
- Metro area
- San Diego-Chula Vista-Carlsbad, CA
- Time zone
- Pacific
- Density
- 1,239 / sq mi
- Housing units
- 18,522
County
Share of the ZIP's people in each county.
Age mix
17.0% are 65 or older; 75.3% are adults.
Household income
59.1% of households earn $100K+. Median per person: $51,426.
Education (adults 25+)
48.5% of degrees are in STEM fields.
Race
27.7% Hispanic or Latino (of any race).
Households & family
- Married
- 56.8%
- Never married
- 28.2%
- Divorced
- 10.2%
- Widowed
- 4.9%
- Family size
- 3.28
- Dual-income families
- 61.6%
Housing
- Own their home
- 72.0%
- Rent burden
- 42.2%
- Men / women
- 49% / 51%
Work
- In labor force
- 62.1%
- Unemployment
- 4.4%
- Self-employed
- 16.0%
- Farmers
- 0.2%
Community
- Charitable givers
- 38.8%
- Veterans
- 5.9%
- With a disability
- 10.7%
- No health insurance
- 5.1%
- Limited English
- 3.1%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.