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

Simi Valley

California
200
VS

Elgin

Illinois
90

Simi Valley is 122% more expensive than Elgin.

$2,513/mo ↑ 99%
Median Rent
$1,260/mo ↓ 50%
$117,703/yr ↑ 33%
Median Income
$88,316/yr ↓ 25%
$753,500 ↑ 199%
Home Value
$252,400 ↓ 67%
$2,576/mo ↑ 72%
Owner Costs
$1,502/mo ↓ 42%
125,769
Population
114,106

Tax Comparison

13.3%
Income Tax
4.95%
7.25%
State Sales Tax
6.25%
0.71%
Property Tax
2.07%

Affordability

25.6%
rent-to-income
Affordability
17.1%
rent-to-income

Detailed Comparison

When comparing Simi Valley, CA and Elgin, IL, the overall cost of living indices are 200 and 90 respectively (national median = 100). Rent is $1,253/month cheaper in Elgin, saving renters about $15,036/year.

Median household income is $29,387/year higher in Simi Valley. Home values also differ significantly — the median in Simi Valley is $753,500 compared to $252,400 in Elgin.

Illinois has a lower income tax rate, making Elgin slightly more tax-friendly.

Frequently Asked Questions

Simi Valley vs Elgin — common questions

Is Simi Valley or Elgin cheaper to live in?
Based on our cost index, Elgin is cheaper to live in with an index of 90 compared to 200 (US average = 100).
What is the rent difference between Simi Valley and Elgin?
Median rent in Simi Valley is $2,513/month and in Elgin it's $1,260/month — a difference of $1,253/month.
Which city has higher income, Simi Valley or Elgin?
Median household income is $117,703 in Simi Valley and $88,316 in Elgin. Median household income is $29,387/year higher in Simi Valley.
How do taxes compare between California and Illinois?
California has 13.3% income tax, 7.25% sales tax, and 0.71% property tax. Illinois has 4.95% income tax, 6.25% sales tax, and 2.07% property tax.
Should I move to Simi Valley or Elgin?
It depends on your priorities. Simi Valley has a cost index of 200 with median rent of $2,513/mo, while Elgin has a cost index of 90 with rent of $1,260/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View Simi Valley details → View Elgin details →

More Comparisons

Other cost of living comparisons for Simi Valley and Elgin

Simi Valley vs. Pearland Simi Valley vs. Thousand Oaks Simi Valley vs. Topeka Simi Valley vs. Allentown Simi Valley vs. Athens Simi Valley vs. Palm Bay Elgin vs. Provo Elgin vs. Odessa Elgin vs. Waterbury Elgin vs. Springfield Elgin vs. Carlsbad Elgin vs. Beaumont