Cost of Living: Port St. Lucie, FL vs Mobile, AL (2026)

Port St. Lucie

Florida
113
VS

Mobile

Alabama
66

Port St. Lucie is 71% more expensive than Mobile.

$1,781/mo ↑ 73%
Median Rent
$1,029/mo ↓ 42%
$78,137/yr ↑ 53%
Median Income
$51,090/yr ↓ 35%
$327,700 ↑ 92%
Home Value
$170,300 ↓ 48%
$1,507/mo ↑ 48%
Owner Costs
$1,016/mo ↓ 33%
220,453
Population
185,097

Tax Comparison

0%
Income Tax
5.0%
6.0%
State Sales Tax
4.0%
0.86%
Property Tax
0.41%

Affordability

27.4%
rent-to-income
Affordability
24.2%
rent-to-income

Detailed Comparison

When comparing Port St. Lucie, FL and Mobile, AL, the overall cost of living indices are 113 and 66 respectively (national median = 100). Rent is $752/month cheaper in Mobile, saving renters about $9,024/year.

Median household income is $27,047/year higher in Port St. Lucie. Home values also differ significantly — the median in Port St. Lucie is $327,700 compared to $170,300 in Mobile.

Florida has no state income tax, giving Port St. Lucie residents a significant tax advantage over Alabama's 5.0% rate.

Frequently Asked Questions

Port St. Lucie vs Mobile — common questions

Is Port St. Lucie or Mobile cheaper to live in?
Based on our cost index, Mobile is cheaper to live in with an index of 66 compared to 113 (US average = 100).
What is the rent difference between Port St. Lucie and Mobile?
Median rent in Port St. Lucie is $1,781/month and in Mobile it's $1,029/month — a difference of $752/month.
Which city has higher income, Port St. Lucie or Mobile?
Median household income is $78,137 in Port St. Lucie and $51,090 in Mobile. Median household income is $27,047/year higher in Port St. Lucie.
How do taxes compare between Florida and Alabama?
Florida has 0% income tax, 6.0% sales tax, and 0.86% property tax. Alabama has 5.0% income tax, 4.0% sales tax, and 0.41% property tax.
Should I move to Port St. Lucie or Mobile?
It depends on your priorities. Port St. Lucie has a cost index of 113 with median rent of $1,781/mo, while Mobile has a cost index of 66 with rent of $1,029/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View Port St. Lucie details → View Mobile details →

More Comparisons

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