Cost of Living: Round Rock, TX vs Lafayette, LA (2026)

Round Rock

Texas
122
VS

Lafayette

Louisiana
77

Round Rock is 58% more expensive than Lafayette.

$1,713/mo ↑ 61%
Median Rent
$1,065/mo ↓ 38%
$97,187/yr ↑ 58%
Median Income
$61,454/yr ↓ 37%
$383,700 ↑ 53%
Home Value
$251,300 ↓ 35%
$1,781/mo ↑ 68%
Owner Costs
$1,057/mo ↓ 41%
124,288
Population
121,537

Tax Comparison

0%
Income Tax
4.25%
6.25%
State Sales Tax
4.45%
1.6%
Property Tax
0.55%

Affordability

21.2%
rent-to-income
Affordability
20.8%
rent-to-income

Detailed Comparison

When comparing Round Rock, TX and Lafayette, LA, the overall cost of living indices are 122 and 77 respectively (national median = 100). Rent is $648/month cheaper in Lafayette, saving renters about $7,776/year.

Median household income is $35,733/year higher in Round Rock. Home values also differ significantly — the median in Round Rock is $383,700 compared to $251,300 in Lafayette.

Texas has no state income tax, giving Round Rock residents a significant tax advantage over Louisiana's 4.25% rate.

Frequently Asked Questions

Round Rock vs Lafayette — common questions

Is Round Rock or Lafayette cheaper to live in?
Based on our cost index, Lafayette is cheaper to live in with an index of 77 compared to 122 (US average = 100).
What is the rent difference between Round Rock and Lafayette?
Median rent in Round Rock is $1,713/month and in Lafayette it's $1,065/month — a difference of $648/month.
Which city has higher income, Round Rock or Lafayette?
Median household income is $97,187 in Round Rock and $61,454 in Lafayette. Median household income is $35,733/year higher in Round Rock.
How do taxes compare between Texas and Louisiana?
Texas has 0% income tax, 6.25% sales tax, and 1.6% property tax. Louisiana has 4.25% income tax, 4.45% sales tax, and 0.55% property tax.
Should I move to Round Rock or Lafayette?
It depends on your priorities. Round Rock has a cost index of 122 with median rent of $1,713/mo, while Lafayette has a cost index of 77 with rent of $1,065/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View Round Rock details → View Lafayette details →

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