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City Comparison · 2026

San Diego vs San Francisco

Salary, rent, taxes, and purchasing power compared

Purchasing Power

$100k in San Diego = $128k in San Francisco

Metric
San Diego
San Francisco
COL Index
1.67
2.14
1BR Monthly Rent
$2,250/mo
$3,200/mo
2BR Monthly Rent
$2,900/mo
$4,200/mo
State Income Tax
CA
CA
$100k Take-Home
$73,198
$73,198
$100k Effective Rate
26.8%
26.8%
$100k Savings Potential
$46,198
$34,798

After-Tax Income by Salary

Gross SalarySan Diego
CA
San Francisco
CA
$60,000$48,276
$4,023/mo · 19.54% eff.
$48,276
$4,023/mo · 19.54% eff.
$100,000$73,198
$6,100/mo · 26.8% eff.
$73,198
$6,100/mo · 26.8% eff.
$150,000$103,090
$8,591/mo · 31.27% eff.
$103,090
$8,591/mo · 31.27% eff.

Frequently Asked Questions

Is San Diego or San Francisco cheaper to live in?

San Diego has a cost-of-living index of 1.67 while San Francisco is 2.14 (1.00 = US average). San Diego is cheaper overall. 1BR rent in San Diego is $2,250/month vs $3,200/month in San Francisco.

How much more do you need to earn in San Francisco vs San Diego?

$100k in San Diego = $128k in San Francisco. Cost of living in San Francisco is higher by 28.1%.

Which city has better after-tax income — San Diego or San Francisco?

On a $100,000 salary, you take home $73,198 in CA (San Diego) and $73,198 in CA (San Francisco). After accounting for rent, your annual savings potential is $46,198 in San Diego vs $34,798 in San Francisco.