Cost of Living: Port St. Lucie, FL vs Round Rock, TX (2026)

Port St. Lucie

Florida
113
VS

Round Rock

Texas
122

Port St. Lucie is 7% cheaper than Round Rock.

$1,781/mo ↑ 4%
Median Rent
$1,713/mo ↓ 4%
$78,137/yr ↓ 20%
Median Income
$97,187/yr ↑ 24%
$327,700 ↓ 15%
Home Value
$383,700 ↑ 17%
$1,507/mo ↓ 15%
Owner Costs
$1,781/mo ↑ 18%
220,453
Population
124,288

Tax Comparison

0%
Income Tax
0%
6.0%
State Sales Tax
6.25%
0.86%
Property Tax
1.6%

Affordability

27.4%
rent-to-income
Affordability
21.2%
rent-to-income

Detailed Comparison

When comparing Port St. Lucie, FL and Round Rock, TX, the overall cost of living indices are 113 and 122 respectively (national median = 100). Rent is $68/month cheaper in Round Rock, saving renters about $816/year.

Median household income is $19,050/year higher in Round Rock. Home values also differ significantly — the median in Port St. Lucie is $327,700 compared to $383,700 in Round Rock.

Frequently Asked Questions

Port St. Lucie vs Round Rock — common questions

Is Port St. Lucie or Round Rock cheaper to live in?
Based on our cost index, Port St. Lucie is cheaper to live in with an index of 113 compared to 122 (US average = 100).
What is the rent difference between Port St. Lucie and Round Rock?
Median rent in Port St. Lucie is $1,781/month and in Round Rock it's $1,713/month — a difference of $68/month.
Which city has higher income, Port St. Lucie or Round Rock?
Median household income is $78,137 in Port St. Lucie and $97,187 in Round Rock. Median household income is $19,050/year higher in Round Rock.
How do taxes compare between Florida and Texas?
Florida has 0% income tax, 6.0% sales tax, and 0.86% property tax. Texas has 0% income tax, 6.25% sales tax, and 1.6% property tax.
Should I move to Port St. Lucie or Round Rock?
It depends on your priorities. Port St. Lucie has a cost index of 113 with median rent of $1,781/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 Port St. Lucie details → View Round Rock details →

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