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

Charleston

South Carolina
128
VS

Simi Valley

California
200

Charleston is 36% cheaper than Simi Valley.

$1,632/mo ↓ 35%
Median Rent
$2,513/mo ↑ 54%
$90,038/yr ↓ 24%
Median Income
$117,703/yr ↑ 31%
$469,100 ↓ 38%
Home Value
$753,500 ↑ 61%
$1,688/mo ↓ 34%
Owner Costs
$2,576/mo ↑ 53%
152,014
Population
125,769

Tax Comparison

6.4%
Income Tax
13.3%
6.0%
State Sales Tax
7.25%
0.57%
Property Tax
0.71%

Affordability

21.8%
rent-to-income
Affordability
25.6%
rent-to-income

Detailed Comparison

When comparing Charleston, SC and Simi Valley, CA, the overall cost of living indices are 128 and 200 respectively (national median = 100). Rent is $881/month cheaper in Charleston, saving renters about $10,572/year.

Median household income is $27,665/year higher in Simi Valley. Home values also differ significantly — the median in Charleston is $469,100 compared to $753,500 in Simi Valley.

South Carolina has a lower income tax rate, making Charleston slightly more tax-friendly.

Frequently Asked Questions

Charleston vs Simi Valley — common questions

Is Charleston or Simi Valley cheaper to live in?
Based on our cost index, Charleston is cheaper to live in with an index of 128 compared to 200 (US average = 100).
What is the rent difference between Charleston and Simi Valley?
Median rent in Charleston is $1,632/month and in Simi Valley it's $2,513/month — a difference of $881/month.
Which city has higher income, Charleston or Simi Valley?
Median household income is $90,038 in Charleston and $117,703 in Simi Valley. Median household income is $27,665/year higher in Simi Valley.
How do taxes compare between South Carolina and California?
South Carolina has 6.4% income tax, 6.0% sales tax, and 0.57% property tax. California has 13.3% income tax, 7.25% sales tax, and 0.71% property tax.
Should I move to Charleston or Simi Valley?
It depends on your priorities. Charleston has a cost index of 128 with median rent of $1,632/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 Charleston details → View Simi Valley details →

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