Cost of Living: San Diego, CA vs Allen, TX (2026)

San Diego

California
197
VS

Allen

Texas
137

San Diego is 44% more expensive than Allen.

$2,223/mo ↑ 18%
Median Rent
$1,877/mo ↓ 16%
$104,321/yr ↓ 19%
Median Income
$129,130/yr ↑ 24%
$848,500 ↑ 97%
Home Value
$429,900 ↓ 49%
$2,308/mo ↑ 11%
Owner Costs
$2,083/mo ↓ 10%
1,385,061
Population
107,684

Tax Comparison

13.3%
Income Tax
0%
7.25%
State Sales Tax
6.25%
0.71%
Property Tax
1.6%

Affordability

25.6%
rent-to-income
Affordability
17.4%
rent-to-income

Detailed Comparison

When comparing San Diego, CA and Allen, TX, the overall cost of living indices are 197 and 137 respectively (national median = 100). Rent is $346/month cheaper in Allen, saving renters about $4,152/year.

Median household income is $24,809/year higher in Allen. Home values also differ significantly — the median in San Diego is $848,500 compared to $429,900 in Allen.

Texas has no state income tax, giving Allen residents a significant tax advantage over California's 13.3% rate.

Frequently Asked Questions

San Diego vs Allen — common questions

Is San Diego or Allen cheaper to live in?
Based on our cost index, Allen is cheaper to live in with an index of 137 compared to 197 (US average = 100).
What is the rent difference between San Diego and Allen?
Median rent in San Diego is $2,223/month and in Allen it's $1,877/month — a difference of $346/month.
Which city has higher income, San Diego or Allen?
Median household income is $104,321 in San Diego and $129,130 in Allen. Median household income is $24,809/year higher in Allen.
How do taxes compare between California and Texas?
California has 13.3% income tax, 7.25% sales tax, and 0.71% property tax. Texas has 0% income tax, 6.25% sales tax, and 1.6% property tax.
Should I move to San Diego or Allen?
It depends on your priorities. San Diego has a cost index of 197 with median rent of $2,223/mo, while Allen has a cost index of 137 with rent of $1,877/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View San Diego details → View Allen details →

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