Cost of Living: St. Louis, MO vs Killeen, TX (2026)

St. Louis

Missouri
66
VS

Killeen

Texas
75

St. Louis is 12% cheaper than Killeen.

$978/mo ↓ 15%
Median Rent
$1,147/mo ↑ 17%
$55,279/yr ↓ 5%
Median Income
$58,339/yr ↑ 6%
$185,100 ↓ 6%
Home Value
$196,000 ↑ 6%
$1,013/mo ↓ 14%
Owner Costs
$1,176/mo ↑ 16%
293,109
Population
156,144

Tax Comparison

4.95%
Income Tax
0%
4.225%
State Sales Tax
6.25%
0.93%
Property Tax
1.6%

Affordability

21.2%
rent-to-income
Affordability
23.6%
rent-to-income

Detailed Comparison

When comparing St. Louis, MO and Killeen, TX, the overall cost of living indices are 66 and 75 respectively (national median = 100). Rent is $169/month cheaper in St. Louis, saving renters about $2,028/year.

Median household income is $3,060/year higher in Killeen. Home values also differ significantly — the median in St. Louis is $185,100 compared to $196,000 in Killeen.

Texas has no state income tax, giving Killeen residents a significant tax advantage over Missouri's 4.95% rate.

Frequently Asked Questions

St. Louis vs Killeen — common questions

Is St. Louis or Killeen cheaper to live in?
Based on our cost index, St. Louis is cheaper to live in with an index of 66 compared to 75 (US average = 100).
What is the rent difference between St. Louis and Killeen?
Median rent in St. Louis is $978/month and in Killeen it's $1,147/month — a difference of $169/month.
Which city has higher income, St. Louis or Killeen?
Median household income is $55,279 in St. Louis and $58,339 in Killeen. Median household income is $3,060/year higher in Killeen.
How do taxes compare between Missouri and Texas?
Missouri has 4.95% income tax, 4.225% sales tax, and 0.93% property tax. Texas has 0% income tax, 6.25% sales tax, and 1.6% property tax.
Should I move to St. Louis or Killeen?
It depends on your priorities. St. Louis has a cost index of 66 with median rent of $978/mo, while Killeen has a cost index of 75 with rent of $1,147/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View St. Louis details → View Killeen details →

More Comparisons

Other cost of living comparisons for St. Louis and Killeen

St. Louis vs. Greensboro St. Louis vs. Lincoln St. Louis vs. Pittsburgh St. Louis vs. Jersey City St. Louis vs. Newark St. Louis vs. Anchorage Killeen vs. Lakewood Killeen vs. Kansas City Killeen vs. Macon Killeen vs. Springfield Killeen vs. Alexandria Killeen vs. Sunnyvale