Cost of Living: Sunnyvale, CA vs Simi Valley, CA (2026)

Sunnyvale

California
341
VS

Simi Valley

California
200

Sunnyvale is 70% more expensive than Simi Valley.

$3,065/mo ↑ 22%
Median Rent
$2,513/mo ↓ 18%
$181,862/yr ↑ 55%
Median Income
$117,703/yr ↓ 35%
$1,816,600 ↑ 141%
Home Value
$753,500 ↓ 59%
$3,016/mo ↑ 17%
Owner Costs
$2,576/mo ↓ 15%
153,455
Population
125,769

Tax Comparison

13.3%
Income Tax
13.3%
7.25%
State Sales Tax
7.25%
0.71%
Property Tax
0.71%

Affordability

20.2%
rent-to-income
Affordability
25.6%
rent-to-income

Detailed Comparison

When comparing Sunnyvale, CA and Simi Valley, CA, the overall cost of living indices are 341 and 200 respectively (national median = 100). Rent is $552/month cheaper in Simi Valley, saving renters about $6,624/year.

Median household income is $64,159/year higher in Sunnyvale. Home values also differ significantly — the median in Sunnyvale is $1,816,600 compared to $753,500 in Simi Valley.

Both cities share the same state tax structure since they are in California.

Frequently Asked Questions

Sunnyvale vs Simi Valley — common questions

Is Sunnyvale or Simi Valley cheaper to live in?
Based on our cost index, Simi Valley is cheaper to live in with an index of 200 compared to 341 (US average = 100).
What is the rent difference between Sunnyvale and Simi Valley?
Median rent in Sunnyvale is $3,065/month and in Simi Valley it's $2,513/month — a difference of $552/month.
Which city has higher income, Sunnyvale or Simi Valley?
Median household income is $181,862 in Sunnyvale and $117,703 in Simi Valley. Median household income is $64,159/year higher in Sunnyvale.
How do taxes compare between California and California?
Both cities are in California and share the same state tax rates: 13.3% income tax, 7.25% sales tax, and 0.71% property tax.
Should I move to Sunnyvale or Simi Valley?
It depends on your priorities. Sunnyvale has a cost index of 341 with median rent of $3,065/mo, while Simi Valley has a cost index of 200 with rent of $2,513/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View Sunnyvale details → View Simi Valley details →

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