San Diego CA vs Sunnyvale CA — Cost of Living, Crime & Income Comparison 2026

Updated May 2026 · Source: US Census ACS 5-Year (2023), FBI CDE (2023), BLS OEWS (2024)

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%

Sunnyvale, CA

California · Population: 153,455

  • Median HH Income$181,862
  • Median Home Price$2,144,024
  • Unemployment4.1%
  • Bachelor's+69.2%

Detailed Comparison

Demographics

Population
San Diego
1,385,061
San Diego +
Sunnyvale
153,455
Pop. Density / sq mi
Lower = more space
San Diego
N/A
Sunnyvale
N/A
Median Age
San Diego
36.0
Sunnyvale
35.1
Sunnyvale +
Foreign Born
San Diego
24.8%
Sunnyvale
49.4%
Sunnyvale +
White
San Diego
50.4%
San Diego +
Sunnyvale
30.4%
Black
San Diego
5.7%
San Diego +
Sunnyvale
1.5%
Asian
San Diego
17.6%
Sunnyvale
49.4%
Sunnyvale +
Hispanic
San Diego
29.6%
San Diego +
Sunnyvale
16.7%
Spanish at Home
San Diego
N/A
Sunnyvale
N/A

Economy

Median HH Income
San Diego
$104,321
Sunnyvale
$181,862
Sunnyvale +
Per Capita Income
San Diego
$54,678
Sunnyvale
$95,752
Sunnyvale +
Per Capita Personal Income (MSA)
BEA MSA-level
San Diego
$77,230
Sunnyvale
$77,230
Tie
Unemployment Rate
San Diego
5.9%
Sunnyvale
4.1%
Sunnyvale +
Poverty Rate
San Diego
11.1%
Sunnyvale
5.6%
Sunnyvale +
Bachelor's Degree+
San Diego
49.9%
Sunnyvale
69.2%
Sunnyvale +

Housing

Median Home Value
Zillow ZHVI / Census ACS
San Diego
$1,006,261
San Diego +
Sunnyvale
$2,144,024
Homeownership Rate
San Diego
47.6%
San Diego +
Sunnyvale
43.8%

Safety

Violent Crime / 100K
FBI CDE (state-level est.)
San Diego
503
Sunnyvale
503
Tie
Property Crime / 100K
FBI CDE (state-level est.)
San Diego
2388
Sunnyvale
2388
Tie

Health

Obesity Rate
CDC PLACES
San Diego
24.2%
Sunnyvale
19.7%
Sunnyvale +
Diabetes Rate
CDC PLACES
San Diego
9.2%
Sunnyvale
8.3%
Sunnyvale +
Poor Mental Health
CDC PLACES — 14+ days/month
San Diego
16.5%
Sunnyvale
12.9%
Sunnyvale +
No Health Insurance
CDC PLACES
San Diego
8.5%
Sunnyvale
5.2%
Sunnyvale +
Binge Drinking
CDC PLACES
San Diego
16.9%
Sunnyvale
13.5%
Sunnyvale +
Current Smokers
CDC PLACES
San Diego
9.3%
Sunnyvale
6.7%
Sunnyvale +

Climate

Avg Annual Temp
NOAA 1991–2020 normal
San Diego
61.6°F
Sunnyvale
N/A
Annual Precipitation
NOAA 1991–2020 normal
San Diego
12.3 in
Sunnyvale
N/A

Air Quality

PM2.5 Annual Avg
EPA AQS (state-level est.)
San Diego
7.9 µg/m³
Sunnyvale
7.9 µg/m³
Tie
Good Air Days
AQI ≤ 50
San Diego
75.0%
Sunnyvale
75.0%
Tie

Commute

Mean Commute Time
Census ACS
San Diego
25.9 min
Sunnyvale
25.3 min
Sunnyvale +

Which City is Right for You?

Sunnyvale leads in median household income at $181,862, while san Diego offers more affordable housing with a median home price of $1,006,261. On public safety, Sunnyvale is safer with a violent crime rate of 503 per 100,000 residents, compared to 503 in San Diego. Sunnyvale has a lower unemployment rate at 4.1%, and Sunnyvale has cleaner air (PM2.5 avg 7.9 µg/m³). For overall health outcomes, Sunnyvale scores better with a lower obesity rate of 19.7%.

Compare More Cities

About San Diego & Sunnyvale