Cost of Living: San Diego, CA vs Allentown, PA (2026)

San Diego

California
197
VS

Allentown

Pennsylvania
79

San Diego is 149% more expensive than Allentown.

$2,223/mo ↑ 75%
Median Rent
$1,269/mo ↓ 43%
$104,321/yr ↑ 95%
Median Income
$53,403/yr ↓ 49%
$848,500 ↑ 349%
Home Value
$188,900 ↓ 78%
$2,308/mo ↑ 86%
Owner Costs
$1,243/mo ↓ 46%
1,385,061
Population
125,320

Tax Comparison

13.3%
Income Tax
3.07%
7.25%
State Sales Tax
6.0%
0.71%
Property Tax
1.49%

Affordability

25.6%
rent-to-income
Affordability
28.5%
rent-to-income

Detailed Comparison

When comparing San Diego, CA and Allentown, PA, the overall cost of living indices are 197 and 79 respectively (national median = 100). Rent is $954/month cheaper in Allentown, saving renters about $11,448/year.

Median household income is $50,918/year higher in San Diego. Home values also differ significantly — the median in San Diego is $848,500 compared to $188,900 in Allentown.

Pennsylvania has a lower income tax rate, making Allentown slightly more tax-friendly.

Frequently Asked Questions

San Diego vs Allentown — common questions

Is San Diego or Allentown cheaper to live in?
Based on our cost index, Allentown is cheaper to live in with an index of 79 compared to 197 (US average = 100).
What is the rent difference between San Diego and Allentown?
Median rent in San Diego is $2,223/month and in Allentown it's $1,269/month — a difference of $954/month.
Which city has higher income, San Diego or Allentown?
Median household income is $104,321 in San Diego and $53,403 in Allentown. Median household income is $50,918/year higher in San Diego.
How do taxes compare between California and Pennsylvania?
California has 13.3% income tax, 7.25% sales tax, and 0.71% property tax. Pennsylvania has 3.07% income tax, 6.0% sales tax, and 1.49% property tax.
Should I move to San Diego or Allentown?
It depends on your priorities. San Diego has a cost index of 197 with median rent of $2,223/mo, while Allentown has a cost index of 79 with rent of $1,269/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View San Diego details → View Allentown details →

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