San Diego vs Vacaville
The short version
- Vacaville is cheaper overall: prices in its metro run 3% lower than in the San Diego area (BEA 2024).
- The median home costs $620,900 in Vacaville and $906,700 in San Diego.
- San Diego has the warmer winter: January highs of 66°F vs 58°F.
- Vacaville has more scorching days: 88 a year at 90°F or hotter vs 4.
- Commutes are shorter in San Diego (24 vs 28 minutes each way).
Side by side
| San Diego, CA | Vacaville, CA | |
|---|---|---|
| People | ||
| Population (2025) | 1,406,106 | 103,850 |
| Growth since 2020 | +1.6% | +1.4% |
| People per square mile | 4,312 | 3,477 |
| Median age | 36.2 | 38.2 |
| Bachelor's degree or higher | 51% | 28% |
| Money and housing | ||
| Median household income | $108,077 | $111,126 |
| Median home value | $906,700 | $620,900 |
| Home value to income | 8.4× | 5.6× |
| Median rent (with utilities) | $2,313 | $2,299 |
| Metro price level (US = 100) | 111.9 | 108.5 |
| Housing price level (US = 100) | 179.3 | 142.0 |
| $75,000 elsewhere equals | $83,900 | $81,400 |
| Homeowners | 47% | 68% |
| Top state income tax | 13.3% | 13.3% |
| Combined sales tax | 9.03% | 9.03% |
| Work and commute | ||
| Average commute (minutes) | 23.5 | 28.2 |
| Work from home | 21% | 12% |
| Take public transit | 3% | 0% |
| Unemployment (2020-24 avg) | 6% | 5.8% |
| Poverty rate | 11% | 8.2% |
| Weather | ||
| January high / low | 66° / 49° | 58° / 38° |
| July high / low | 74° / 65° | 95° / 59° |
| Precipitation per year | 9 in | 25 in |
| Snowfall per year | 0 in | 0 in |
| Days 90°F or hotter | 4 | 88 |
| Nights below freezing | 0 | 21 |
| Comfortable months | 12 | 4 |
| Risks, air and home prices | ||
| Natural hazard risk (FEMA, county) | Very High | Relatively High |
| FEMA risk score (lower is safer) | 99.7 | 97.0 |
| Good air days, 2025 | 18% | 99% |
| Home prices, past year | +2.5% | -0.7% |
| Home prices, past 5 years | +40.8% | +14.3% |
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: San Diego: January to December. Vacaville: March to May and October.
Full monthly tables: San Diego weather by month and Vacaville weather by month.
What $75,000 is worth
A $75,000 salary in an average-priced US city buys about the same as $83,900 in San Diego and $81,400 in Vacaville. Moving from San Diego to Vacaville, you would need about $72,700 to match a $75,000 salary.
Moving between San Diego and Vacaville
IRS county-to-county migration, 2022 to 2023 tax years, for the counties that contain each city. See where else people move from San Diego and Vacaville.
Which would you pick?
One vote per person. Results show after you vote.