San Diego vs Somerville
The short version
- Somerville is cheaper overall: prices in its metro run 3% lower than in the San Diego area (BEA 2024).
- The median home costs $906,700 in San Diego and $911,300 in Somerville.
- Households earn more in Somerville ($132,572 vs $108,077 median).
- San Diego has the warmer winter: January highs of 66°F vs 37°F.
- Somerville gets far more snow: 49 inches a year vs 0.
- Somerville is growing faster: +4% since 2020 vs +1.6%.
- Commutes are shorter in San Diego (24 vs 31 minutes each way).
Side by side
| San Diego, CA | Somerville, MA | |
|---|---|---|
| People | ||
| Population (2025) | 1,406,106 | 84,211 |
| Growth since 2020 | +1.6% | +4% |
| People per square mile | 4,312 | 20,440 |
| Median age | 36.2 | 31.9 |
| Bachelor's degree or higher | 51% | 69% |
| Money and housing | ||
| Median household income | $108,077 | $132,572 |
| Median home value | $906,700 | $911,300 |
| Home value to income | 8.4× | 6.9× |
| Median rent (with utilities) | $2,313 | $2,517 |
| Metro price level (US = 100) | 111.9 | 108.3 |
| Housing price level (US = 100) | 179.3 | 148.4 |
| $75,000 elsewhere equals | $83,900 | $81,200 |
| Homeowners | 47% | 34% |
| Top state income tax | 13.3% | 9% |
| Combined sales tax | 9.03% | 6.25% |
| Work and commute | ||
| Average commute (minutes) | 23.5 | 31.0 |
| Work from home | 21% | 31% |
| Take public transit | 3% | 19% |
| Unemployment (2020-24 avg) | 6% | 3% |
| Poverty rate | 11% | 9.8% |
| Weather | ||
| January high / low | 66° / 49° | 37° / 23° |
| July high / low | 74° / 65° | 82° / 66° |
| Precipitation per year | 9 in | 44 in |
| Snowfall per year | 0 in | 49 in |
| Days 90°F or hotter | 4 | 14 |
| Nights below freezing | 0 | 92 |
| Comfortable months | 12 | 6 |
| Risks, air and home prices | ||
| Natural hazard risk (FEMA, county) | Very High | Relatively High |
| FEMA risk score (lower is safer) | 99.7 | 96.9 |
| Good air days, 2025 | 18% | 71% |
| Home prices, past year | +2.5% | +2.8% |
| Home prices, past 5 years | +40.8% | +39.7% |
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. Somerville: May to October.
Full monthly tables: San Diego weather by month and Somerville 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 $81,200 in Somerville. Moving from San Diego to Somerville, you would need about $72,600 to match a $75,000 salary.
Moving between San Diego and Somerville
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 Somerville.
Which would you pick?
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