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

Grand Prairie

Texas
98
VS

Round Rock

Texas
122

Grand Prairie is 20% cheaper than Round Rock.

$1,470/mo ↓ 14%
Median Rent
$1,713/mo ↑ 17%
$78,889/yr ↓ 19%
Median Income
$97,187/yr ↑ 23%
$272,200 ↓ 29%
Home Value
$383,700 ↑ 41%
$1,480/mo ↓ 17%
Owner Costs
$1,781/mo ↑ 20%
198,564
Population
124,288

Tax Comparison

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

Affordability

22.4%
rent-to-income
Affordability
21.2%
rent-to-income

Detailed Comparison

When comparing Grand Prairie, TX and Round Rock, TX, the overall cost of living indices are 98 and 122 respectively (national median = 100). Rent is $243/month cheaper in Grand Prairie, saving renters about $2,916/year.

Median household income is $18,298/year higher in Round Rock. Home values also differ significantly — the median in Grand Prairie is $272,200 compared to $383,700 in Round Rock.

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

Frequently Asked Questions

Grand Prairie vs Round Rock — common questions

Is Grand Prairie or Round Rock cheaper to live in?
Based on our cost index, Grand Prairie is cheaper to live in with an index of 98 compared to 122 (US average = 100).
What is the rent difference between Grand Prairie and Round Rock?
Median rent in Grand Prairie is $1,470/month and in Round Rock it's $1,713/month — a difference of $243/month.
Which city has higher income, Grand Prairie or Round Rock?
Median household income is $78,889 in Grand Prairie and $97,187 in Round Rock. Median household income is $18,298/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 Grand Prairie or Round Rock?
It depends on your priorities. Grand Prairie has a cost index of 98 with median rent of $1,470/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.
View Grand Prairie details → View Round Rock details →

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