Cost of Living: Louisville, KY vs Round Rock, TX (2026)

Louisville

Kentucky
74
VS

Round Rock

Texas
122

Louisville is 39% cheaper than Round Rock.

$1,069/mo ↓ 38%
Median Rent
$1,713/mo ↑ 60%
$64,731/yr ↓ 33%
Median Income
$97,187/yr ↑ 50%
$221,500 ↓ 42%
Home Value
$383,700 ↑ 73%
$1,118/mo ↓ 37%
Owner Costs
$1,781/mo ↑ 59%
627,210
Population
124,288

Tax Comparison

4.0%
Income Tax
0%
6.0%
State Sales Tax
6.25%
0.83%
Property Tax
1.6%

Affordability

19.8%
rent-to-income
Affordability
21.2%
rent-to-income

Detailed Comparison

When comparing Louisville, KY and Round Rock, TX, the overall cost of living indices are 74 and 122 respectively (national median = 100). Rent is $644/month cheaper in Louisville, saving renters about $7,728/year.

Median household income is $32,456/year higher in Round Rock. Home values also differ significantly — the median in Louisville is $221,500 compared to $383,700 in Round Rock.

Texas has no state income tax, giving Round Rock residents a significant tax advantage over Kentucky's 4.0% rate.

Frequently Asked Questions

Louisville vs Round Rock — common questions

Is Louisville or Round Rock cheaper to live in?
Based on our cost index, Louisville is cheaper to live in with an index of 74 compared to 122 (US average = 100).
What is the rent difference between Louisville and Round Rock?
Median rent in Louisville is $1,069/month and in Round Rock it's $1,713/month — a difference of $644/month.
Which city has higher income, Louisville or Round Rock?
Median household income is $64,731 in Louisville and $97,187 in Round Rock. Median household income is $32,456/year higher in Round Rock.
How do taxes compare between Kentucky and Texas?
Kentucky has 4.0% income tax, 6.0% sales tax, and 0.83% property tax. Texas has 0% income tax, 6.25% sales tax, and 1.6% property tax.
Should I move to Louisville or Round Rock?
It depends on your priorities. Louisville has a cost index of 74 with median rent of $1,069/mo, while Round Rock has a cost index of 122 with rent of $1,713/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
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