Cost of Living: Sunnyvale, CA vs Stamford, CT (2026)

Sunnyvale

California
341
VS

Stamford

Connecticut
172

Sunnyvale is 98% more expensive than Stamford.

$3,065/mo ↑ 39%
Median Rent
$2,207/mo ↓ 28%
$181,862/yr ↑ 69%
Median Income
$107,474/yr ↓ 41%
$1,816,600 ↑ 196%
Home Value
$614,300 ↓ 66%
$3,016/mo ↑ 28%
Owner Costs
$2,358/mo ↓ 22%
153,455
Population
135,806

Tax Comparison

13.3%
Income Tax
6.99%
7.25%
State Sales Tax
6.35%
0.71%
Property Tax
2.15%

Affordability

20.2%
rent-to-income
Affordability
24.6%
rent-to-income

Detailed Comparison

When comparing Sunnyvale, CA and Stamford, CT, the overall cost of living indices are 341 and 172 respectively (national median = 100). Rent is $858/month cheaper in Stamford, saving renters about $10,296/year.

Median household income is $74,388/year higher in Sunnyvale. Home values also differ significantly — the median in Sunnyvale is $1,816,600 compared to $614,300 in Stamford.

Connecticut has a lower income tax rate, making Stamford slightly more tax-friendly.

Frequently Asked Questions

Sunnyvale vs Stamford — common questions

Is Sunnyvale or Stamford cheaper to live in?
Based on our cost index, Stamford is cheaper to live in with an index of 172 compared to 341 (US average = 100).
What is the rent difference between Sunnyvale and Stamford?
Median rent in Sunnyvale is $3,065/month and in Stamford it's $2,207/month — a difference of $858/month.
Which city has higher income, Sunnyvale or Stamford?
Median household income is $181,862 in Sunnyvale and $107,474 in Stamford. Median household income is $74,388/year higher in Sunnyvale.
How do taxes compare between California and Connecticut?
California has 13.3% income tax, 7.25% sales tax, and 0.71% property tax. Connecticut has 6.99% income tax, 6.35% sales tax, and 2.15% property tax.
Should I move to Sunnyvale or Stamford?
It depends on your priorities. Sunnyvale has a cost index of 341 with median rent of $3,065/mo, while Stamford has a cost index of 172 with rent of $2,207/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View Sunnyvale details → View Stamford details →

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