Cost of Living: Sioux Falls, SD vs Naperville, IL (2026)

Sioux Falls

South Dakota
78
VS

Naperville

Illinois
147

Sioux Falls is 47% cheaper than Naperville.

$993/mo ↓ 46%
Median Rent
$1,852/mo ↑ 87%
$74,714/yr ↓ 50%
Median Income
$150,937/yr ↑ 102%
$271,400 ↓ 47%
Home Value
$509,900 ↑ 88%
$1,122/mo ↓ 48%
Owner Costs
$2,161/mo ↑ 93%
197,642
Population
149,424

Tax Comparison

0%
Income Tax
4.95%
4.2%
State Sales Tax
6.25%
1.28%
Property Tax
2.07%

Affordability

15.9%
rent-to-income
Affordability
14.7%
rent-to-income

Detailed Comparison

When comparing Sioux Falls, SD and Naperville, IL, the overall cost of living indices are 78 and 147 respectively (national median = 100). Rent is $859/month cheaper in Sioux Falls, saving renters about $10,308/year.

Median household income is $76,223/year higher in Naperville. Home values also differ significantly — the median in Sioux Falls is $271,400 compared to $509,900 in Naperville.

South Dakota has no state income tax, giving Sioux Falls residents a significant tax advantage over Illinois's 4.95% rate.

Frequently Asked Questions

Sioux Falls vs Naperville — common questions

Is Sioux Falls or Naperville cheaper to live in?
Based on our cost index, Sioux Falls is cheaper to live in with an index of 78 compared to 147 (US average = 100).
What is the rent difference between Sioux Falls and Naperville?
Median rent in Sioux Falls is $993/month and in Naperville it's $1,852/month — a difference of $859/month.
Which city has higher income, Sioux Falls or Naperville?
Median household income is $74,714 in Sioux Falls and $150,937 in Naperville. Median household income is $76,223/year higher in Naperville.
How do taxes compare between South Dakota and Illinois?
South Dakota has 0% income tax, 4.2% sales tax, and 1.28% property tax. Illinois has 4.95% income tax, 6.25% sales tax, and 2.07% property tax.
Should I move to Sioux Falls or Naperville?
It depends on your priorities. Sioux Falls has a cost index of 78 with median rent of $993/mo, while Naperville has a cost index of 147 with rent of $1,852/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View Sioux Falls details → View Naperville details →

More Comparisons

Other cost of living comparisons for Sioux Falls and Naperville

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