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

San Antonio

Texas
82
VS

Springfield

Illinois
61

San Antonio is 34% more expensive than Springfield.

$1,258/mo ↑ 33%
Median Rent
$945/mo ↓ 25%
$62,917/yr ↓ 4%
Median Income
$65,537/yr ↑ 4%
$219,700 ↑ 42%
Home Value
$155,200 ↓ 29%
$1,235/mo ↑ 27%
Owner Costs
$974/mo ↓ 21%
1,458,954
Population
113,714

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
17.3%
rent-to-income

Detailed Comparison

When comparing San Antonio, TX and Springfield, IL, the overall cost of living indices are 82 and 61 respectively (national median = 100). Rent is $313/month cheaper in Springfield, saving renters about $3,756/year.

Median household income is $2,620/year higher in Springfield. Home values also differ significantly — the median in San Antonio is $219,700 compared to $155,200 in Springfield.

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 Springfield — common questions

Is San Antonio or Springfield cheaper to live in?
Based on our cost index, Springfield is cheaper to live in with an index of 61 compared to 82 (US average = 100).
What is the rent difference between San Antonio and Springfield?
Median rent in San Antonio is $1,258/month and in Springfield it's $945/month — a difference of $313/month.
Which city has higher income, San Antonio or Springfield?
Median household income is $62,917 in San Antonio and $65,537 in Springfield. Median household income is $2,620/year higher in Springfield.
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 Springfield?
It depends on your priorities. San Antonio has a cost index of 82 with median rent of $1,258/mo, while Springfield has a cost index of 61 with rent of $945/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View San Antonio details → View Springfield details →

More Comparisons

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