Quick answer
Chicago is 81% cheaper than San Diego overall. A $100K salary in Chicago is equivalent to $181,000 in San Diego.
Cost of Living Comparison · 2026
Chicago vs San Diego Cost of Living (2026)
Side-by-side cost comparison plus a salary calculator to find your equivalent pay in either city.
Overall COL difference
Chicago is 81% cheaper
1BR rent difference
+22% (B vs A)
$100K in A = in B
$181,000
Chicago vs San Diego: Side-by-Side
1BR median rent
$1,850/mo
$2,250/mo
+22%
2BR median rent
$2,350/mo
$3,000/mo
+28%
Median home price
$340K
$820K
+141%
Avg monthly groceries
$390
$420
+8%
Avg monthly utilities
$155
$130
-16%
State income tax
4.95%
Up to 13.3%
Chicago saves
Walk score
78/100
54/100
Chicago better
Transit score
65/100
41/100
Chicago better
Salary Equivalency Calculator
How much you need to earn in San Diego to maintain the same standard of living as your current Chicago salary — and vice versa.
$60,000
$109,000
$33,000
$80,000
$145,000
$44,000
$100,000
$181,000
$55,000
$120,000
$218,000
$66,000
$150,000
$272,000
$83,000
Calculated using a weighted index: rent (40%), home prices (20%), groceries (20%), utilities (10%), state income tax (10%). Individual lifestyles vary.
Monthly Budget: Chicago vs San Diego
Who Each City Is Best For
Chicago is best for
- ✓urban explorers
- ✓foodies
- ✓architecture lovers
- ✓transit users
San Diego is best for
- ✓military families
- ✓biotech workers
- ✓beach lifestyle seekers
- ✓retirees
FAQs
Is Chicago or San Diego cheaper to live in?
Chicago is 81% cheaper than San Diego overall. Chicago 1BR rent ($1,850/mo) vs San Diego ($2,250/mo). Median home price: Chicago $340K vs San Diego $820K.
How much salary do I need in San Diego to match $100K in Chicago?
$181,000 in San Diego is equivalent to $100,000 in Chicago based on cost of living differences. The biggest factors are rent (+22% difference) and state taxes (Chicago: 4.95% vs San Diego: Up to 13.3%).
What is the rent difference between Chicago and San Diego?
1BR: Chicago $1,850/mo vs San Diego $2,250/mo (+22%). 2BR: Chicago $2,350/mo vs San Diego $3,000/mo (+28%).
Does Chicago or San Diego have lower taxes?
Chicago (IL) has 4.95% state income tax. San Diego (CA) has Up to 13.3% state income tax. On a $100K salary, the annual tax difference is ~$8,350.