Quincy MA vs San Diego CA — Cost of Living, Crime & Income Comparison 2026
Updated May 2026 · Source: US Census ACS 5-Year (2023), FBI CDE (2023), BLS OEWS (2024)
Quincy, MA
Massachusetts · Population: 101,361
- Median HH Income$95,711
- Median Home Price$679,883
- Unemployment7.1%
- Bachelor's+48.6%
San Diego, CA
California · Population: 1,385,061
- Median HH Income$104,321
- Median Home Price$1,006,261
- Unemployment5.9%
- Bachelor's+49.9%
Detailed Comparison
Demographics
Population
Quincy
101,361
San Diego
1,385,061
San Diego +
Pop. Density / sq mi
Lower = more space
Quincy
N/A
San Diego
N/A
Median Age
Quincy
39.0
San Diego
36.0
San Diego +
Foreign Born
Quincy
32.7%
Quincy +
San Diego
24.8%
White
Quincy
55.6%
Quincy +
San Diego
50.4%
Black
Quincy
6.5%
Quincy +
San Diego
5.7%
Asian
Quincy
29.2%
Quincy +
San Diego
17.6%
Hispanic
Quincy
5.8%
San Diego
29.6%
San Diego +
Spanish at Home
Quincy
N/A
San Diego
N/A
| Metric | Quincy, MA | San Diego, CA | Better |
|---|---|---|---|
| Population | 101,361 | 1,385,061 | San Diego + |
| Pop. Density / sq miLower = more space | N/A | N/A | - |
| Median Age | 39.0 | 36.0 | San Diego + |
| Foreign Born | 32.7% | 24.8% | Quincy + |
| White | 55.6% | 50.4% | Quincy + |
| Black | 6.5% | 5.7% | Quincy + |
| Asian | 29.2% | 17.6% | Quincy + |
| Hispanic | 5.8% | 29.6% | San Diego + |
| Spanish at Home | N/A | N/A | - |
Economy
Median HH Income
Quincy
$95,711
San Diego
$104,321
San Diego +
Per Capita Income
Quincy
$53,273
San Diego
$54,678
San Diego +
Per Capita Personal Income (MSA)
BEA MSA-level
Quincy
$85,405
Quincy +
San Diego
$77,230
Unemployment Rate
Quincy
7.1%
San Diego
5.9%
San Diego +
Poverty Rate
Quincy
11.4%
San Diego
11.1%
San Diego +
Bachelor's Degree+
Quincy
48.6%
San Diego
49.9%
San Diego +
| Metric | Quincy, MA | San Diego, CA | Better |
|---|---|---|---|
| Median HH Income | $95,711 | $104,321 | San Diego + |
| Per Capita Income | $53,273 | $54,678 | San Diego + |
| Per Capita Personal Income (MSA)BEA MSA-level | $85,405 | $77,230 | Quincy + |
| Unemployment Rate | 7.1% | 5.9% | San Diego + |
| Poverty Rate | 11.4% | 11.1% | San Diego + |
| Bachelor's Degree+ | 48.6% | 49.9% | San Diego + |
Housing
Median Home Value
Zillow ZHVI / Census ACS
Quincy
$679,883
Quincy +
San Diego
$1,006,261
Homeownership Rate
Quincy
45.0%
San Diego
47.6%
San Diego +
| Metric | Quincy, MA | San Diego, CA | Better |
|---|---|---|---|
| Median Home ValueZillow ZHVI / Census ACS | $679,883 | $1,006,261 | Quincy + |
| Homeownership Rate | 45.0% | 47.6% | San Diego + |
Safety
Violent Crime / 100K
FBI CDE (state-level est.)
Quincy
326
Quincy +
San Diego
503
Property Crime / 100K
FBI CDE (state-level est.)
Quincy
1086
Quincy +
San Diego
2388
| Metric | Quincy, MA | San Diego, CA | Better |
|---|---|---|---|
| Violent Crime / 100KFBI CDE (state-level est.) | 326 | 503 | Quincy + |
| Property Crime / 100KFBI CDE (state-level est.) | 1086 | 2388 | Quincy + |
Health
Obesity Rate
CDC PLACES
Quincy
22.9%
Quincy +
San Diego
24.2%
Diabetes Rate
CDC PLACES
Quincy
10.1%
San Diego
9.2%
San Diego +
Poor Mental Health
CDC PLACES — 14+ days/month
Quincy
15.5%
Quincy +
San Diego
16.5%
No Health Insurance
CDC PLACES
Quincy
4.9%
Quincy +
San Diego
8.5%
Binge Drinking
CDC PLACES
Quincy
15.6%
Quincy +
San Diego
16.9%
Current Smokers
CDC PLACES
Quincy
11.0%
San Diego
9.3%
San Diego +
| Metric | Quincy, MA | San Diego, CA | Better |
|---|---|---|---|
| Obesity RateCDC PLACES | 22.9% | 24.2% | Quincy + |
| Diabetes RateCDC PLACES | 10.1% | 9.2% | San Diego + |
| Poor Mental HealthCDC PLACES — 14+ days/month | 15.5% | 16.5% | Quincy + |
| No Health InsuranceCDC PLACES | 4.9% | 8.5% | Quincy + |
| Binge DrinkingCDC PLACES | 15.6% | 16.9% | Quincy + |
| Current SmokersCDC PLACES | 11.0% | 9.3% | San Diego + |
Climate
Avg Annual Temp
NOAA 1991–2020 normal
Quincy
N/A
San Diego
61.6°F
Annual Precipitation
NOAA 1991–2020 normal
Quincy
N/A
San Diego
12.3 in
| Metric | Quincy, MA | San Diego, CA | Better |
|---|---|---|---|
| Avg Annual TempNOAA 1991–2020 normal | N/A | 61.6°F | - |
| Annual PrecipitationNOAA 1991–2020 normal | N/A | 12.3 in | - |
Air Quality
PM2.5 Annual Avg
EPA AQS (state-level est.)
Quincy
7.2 µg/m³
Quincy +
San Diego
7.9 µg/m³
Good Air Days
AQI ≤ 50
Quincy
75.0%
San Diego
75.0%
Tie
| Metric | Quincy, MA | San Diego, CA | Better |
|---|---|---|---|
| PM2.5 Annual AvgEPA AQS (state-level est.) | 7.2 µg/m³ | 7.9 µg/m³ | Quincy + |
| Good Air DaysAQI ≤ 50 | 75.0% | 75.0% | Tie |
Commute
Mean Commute Time
Census ACS
Quincy
37.6 min
San Diego
25.9 min
San Diego +
| Metric | Quincy, MA | San Diego, CA | Better |
|---|---|---|---|
| Mean Commute TimeCensus ACS | 37.6 min | 25.9 min | San Diego + |
Which City is Right for You?
San Diego leads in median household income at $104,321, while quincy offers more affordable housing with a median home price of $679,883. On public safety, Quincy is safer with a violent crime rate of 326 per 100,000 residents, compared to 503 in San Diego. San Diego has a lower unemployment rate at 5.9%, and Quincy has cleaner air (PM2.5 avg 7.2 µg/m³). For overall health outcomes, Quincy scores better with a lower obesity rate of 22.9%.
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