Cost of Living: San Antonio, TX vs Naperville, IL (2026)

San Antonio

Texas
82
VS

Naperville

Illinois
147

San Antonio is 44% cheaper than Naperville.

$1,258/mo ↓ 32%
Median Rent
$1,852/mo ↑ 47%
$62,917/yr ↓ 58%
Median Income
$150,937/yr ↑ 140%
$219,700 ↓ 57%
Home Value
$509,900 ↑ 132%
$1,235/mo ↓ 43%
Owner Costs
$2,161/mo ↑ 75%
1,458,954
Population
149,424

Tax Comparison

0%
Income Tax
4.95%
6.25%
State Sales Tax
6.25%
1.6%
Property Tax
2.07%

Affordability

24.0%
rent-to-income
Affordability
14.7%
rent-to-income

Detailed Comparison

When comparing San Antonio, TX and Naperville, IL, the overall cost of living indices are 82 and 147 respectively (national median = 100). Rent is $594/month cheaper in San Antonio, saving renters about $7,128/year.

Median household income is $88,020/year higher in Naperville. Home values also differ significantly — the median in San Antonio is $219,700 compared to $509,900 in Naperville.

Texas has no state income tax, giving San Antonio residents a significant tax advantage over Illinois's 4.95% rate.

Frequently Asked Questions

San Antonio vs Naperville — common questions

Is San Antonio or Naperville cheaper to live in?
Based on our cost index, San Antonio is cheaper to live in with an index of 82 compared to 147 (US average = 100).
What is the rent difference between San Antonio and Naperville?
Median rent in San Antonio is $1,258/month and in Naperville it's $1,852/month — a difference of $594/month.
Which city has higher income, San Antonio or Naperville?
Median household income is $62,917 in San Antonio and $150,937 in Naperville. Median household income is $88,020/year higher in Naperville.
How do taxes compare between Texas and Illinois?
Texas has 0% income tax, 6.25% sales tax, and 1.6% property tax. Illinois has 4.95% income tax, 6.25% sales tax, and 2.07% property tax.
Should I move to San Antonio or Naperville?
It depends on your priorities. San Antonio has a cost index of 82 with median rent of $1,258/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 San Antonio details → View Naperville details →

More Comparisons

Other cost of living comparisons for San Antonio and Naperville

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