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

Simi Valley

California
200
VS

Westminster

Colorado
139

Simi Valley is 44% more expensive than Westminster.

$2,513/mo ↑ 38%
Median Rent
$1,816/mo ↓ 28%
$117,703/yr ↑ 22%
Median Income
$96,145/yr ↓ 18%
$753,500 ↑ 51%
Home Value
$497,400 ↓ 34%
$2,576/mo ↑ 40%
Owner Costs
$1,841/mo ↓ 29%
125,769
Population
115,546

Tax Comparison

13.3%
Income Tax
4.4%
7.25%
State Sales Tax
2.9%
0.71%
Property Tax
0.51%

Affordability

25.6%
rent-to-income
Affordability
22.7%
rent-to-income

Detailed Comparison

When comparing Simi Valley, CA and Westminster, CO, the overall cost of living indices are 200 and 139 respectively (national median = 100). Rent is $697/month cheaper in Westminster, saving renters about $8,364/year.

Median household income is $21,558/year higher in Simi Valley. Home values also differ significantly — the median in Simi Valley is $753,500 compared to $497,400 in Westminster.

Colorado has a lower income tax rate, making Westminster slightly more tax-friendly.

Frequently Asked Questions

Simi Valley vs Westminster — common questions

Is Simi Valley or Westminster cheaper to live in?
Based on our cost index, Westminster is cheaper to live in with an index of 139 compared to 200 (US average = 100).
What is the rent difference between Simi Valley and Westminster?
Median rent in Simi Valley is $2,513/month and in Westminster it's $1,816/month — a difference of $697/month.
Which city has higher income, Simi Valley or Westminster?
Median household income is $117,703 in Simi Valley and $96,145 in Westminster. Median household income is $21,558/year higher in Simi Valley.
How do taxes compare between California and Colorado?
California has 13.3% income tax, 7.25% sales tax, and 0.71% property tax. Colorado has 4.4% income tax, 2.9% sales tax, and 0.51% property tax.
Should I move to Simi Valley or Westminster?
It depends on your priorities. Simi Valley has a cost index of 200 with median rent of $2,513/mo, while Westminster has a cost index of 139 with rent of $1,816/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View Simi Valley details → View Westminster details →

More Comparisons

Other cost of living comparisons for Simi Valley and Westminster

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