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

Lewisville

Texas
112
VS

Round Rock

Texas
122

Lewisville is 8% cheaper than Round Rock.

$1,572/mo ↓ 8%
Median Rent
$1,713/mo ↑ 9%
$85,002/yr ↓ 13%
Median Income
$97,187/yr ↑ 14%
$350,200 ↓ 9%
Home Value
$383,700 ↑ 10%
$1,631/mo ↓ 8%
Owner Costs
$1,781/mo ↑ 9%
128,313
Population
124,288

Tax Comparison

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

Affordability

22.2%
rent-to-income
Affordability
21.2%
rent-to-income

Detailed Comparison

When comparing Lewisville, TX and Round Rock, TX, the overall cost of living indices are 112 and 122 respectively (national median = 100). Rent is $141/month cheaper in Lewisville, saving renters about $1,692/year.

Median household income is $12,185/year higher in Round Rock. Home values also differ significantly — the median in Lewisville is $350,200 compared to $383,700 in Round Rock.

Both cities share the same state tax structure since they are in Texas.

Frequently Asked Questions

Lewisville vs Round Rock — common questions

Is Lewisville or Round Rock cheaper to live in?
Based on our cost index, Lewisville is cheaper to live in with an index of 112 compared to 122 (US average = 100).
What is the rent difference between Lewisville and Round Rock?
Median rent in Lewisville is $1,572/month and in Round Rock it's $1,713/month — a difference of $141/month.
Which city has higher income, Lewisville or Round Rock?
Median household income is $85,002 in Lewisville and $97,187 in Round Rock. Median household income is $12,185/year higher in Round Rock.
How do taxes compare between Texas and Texas?
Both cities are in Texas and share the same state tax rates: 0% income tax, 6.25% sales tax, and 1.6% property tax.
Should I move to Lewisville or Round Rock?
It depends on your priorities. Lewisville has a cost index of 112 with median rent of $1,572/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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