Hayward vs San Marcos
The short version
- San Marcos is cheaper overall: prices in its metro run 3% lower than in the Hayward area (BEA 2024).
- The median home costs $854,400 in Hayward and $868,000 in San Marcos.
- San Marcos has the warmer winter: January highs of 65°F vs 59°F.
- San Marcos is growing faster: +0.1% since 2020 vs -3.6%.
- Commutes are shorter in San Marcos (27 vs 32 minutes each way).
Side by side
| Hayward, CA | San Marcos, CA | |
|---|---|---|
| People | ||
| Population (2025) | 157,113 | 94,908 |
| Growth since 2020 | -3.6% | +0.1% |
| People per square mile | 3,429 | 3,863 |
| Median age | 38.6 | 36.8 |
| Bachelor's degree or higher | 34% | 44% |
| Money and housing | ||
| Median household income | $113,318 | $109,377 |
| Median home value | $854,400 | $868,000 |
| Home value to income | 7.5× | 7.9× |
| Median rent (with utilities) | $2,391 | $2,348 |
| Metro price level (US = 100) | 115.6 | 111.9 |
| Housing price level (US = 100) | 194.7 | 179.3 |
| $75,000 elsewhere equals | $86,700 | $83,900 |
| Homeowners | 58% | 64% |
| Top state income tax | 13.3% | 13.3% |
| Combined sales tax | 9.03% | 9.03% |
| Work and commute | ||
| Average commute (minutes) | 32.3 | 26.5 |
| Work from home | 14% | 21% |
| Take public transit | 4% | 1% |
| Unemployment (2020-24 avg) | 6.3% | 4.6% |
| Poverty rate | 9.6% | 9.2% |
| Weather | ||
| January high / low | 59° / 43° | 65° / 48° |
| July high / low | 75° / 57° | 74° / 64° |
| Precipitation per year | 16 in | 11 in |
| Snowfall per year | 0 in | 0 in |
| Days 90°F or hotter | 9 | 3 |
| Nights below freezing | 1 | 0 |
| Comfortable months | 9 | 12 |
| Risks, air and home prices | ||
| Natural hazard risk (FEMA, county) | Very High | Very High |
| FEMA risk score (lower is safer) | 99.8 | 99.7 |
| Good air days, 2025 | n/a | 18% |
| Home prices, past year | -4.8% | +2.5% |
| Home prices, past 5 years | +8.2% | +40.8% |
Highlighted cells are the better value where "better" is clear (lower prices, higher income, shorter commutes). Sources: Census Bureau 2025 estimates and ACS 2020-2024, BEA 2024, NOAA 1991-2020, Tax Foundation 2026.
Weather, month by month
Most comfortable months: Hayward: March to November. San Marcos: January to December.
Full monthly tables: Hayward weather by month and San Marcos weather by month.
What $75,000 is worth
A $75,000 salary in an average-priced US city buys about the same as $86,700 in Hayward and $83,900 in San Marcos. Moving from Hayward to San Marcos, you would need about $72,600 to match a $75,000 salary.
Moving between Hayward and San Marcos
IRS county-to-county migration, 2022 to 2023 tax years, for the counties that contain each city. See where else people move from Hayward and San Marcos.
Which would you pick?
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