Median rent is 10% lower in Port St. Lucie ($1,937/mo vs $2,147/mo). Buying is cheaper in Port St. Lucie, where the median home runs $369,200 versus $731,700. Households earn more in Boston ($97,344 vs $80,648 a year). Taken together, Port St. Lucie is the more affordable choice with a cost index of 95.7 against 110.4 — about 13% lower overall prices. After adjusting income for local prices, a typical paycheck stretches further in Boston, MA.
Cost of living verdict
Port St. Lucie is 13% cheaper overall
Cost of Living Index: 95.7 in Port St. Lucie vs 110.4 in Boston (US national average = 100)
City A
Boston, MA
City B
Port St. Lucie, FL
How much would you need to earn in Port St. Lucie, FL to maintain your standard of living from Boston, MA?
Equivalent salary in Port St. Lucie, FL
$65,046
You could earn $9,954 less (13% lower) and break even.
Based on BEA Regional Price Parity (cost index) for each metro area. This estimates overall purchasing power; it does not account for taxes or take-home pay differences.
Metric
Boston
Massachusetts
Port St. Lucie
Florida
Population
Median Household Income
Annual
Median Gross Rent
Per month
Median Home Value
Cost of Living Index
US avg = 100
1BR Fair Market Rent
HUD FMR
2BR Fair Market Rent
HUD FMR
3BR Fair Market Rent
HUD FMR
Air Quality Index
Lower = cleaner
Top State Income Tax
Top marginal rate
State Sales Tax
Statewide base rate
Median Age
Years
✓ = better value · Sources: Census ACS, BEA, HUD Fair Market Rents, EPA AirNow, Tax Foundation
Median rent is modestly lower in Port St. Lucie at $1,937/mo compared to $2,147/mo in Boston (10% gap). Home buyers face a steeper market in Boston: the median home is $731,700 versus $369,200 in Port St. Lucie — 50% more expensive.
1BR Fair Market Rent
2BR Fair Market Rent
BLS OEWS 2023 — metro-level data
State tax data is not yet available for these cities.
Boston
Income tax: N/A
Sales tax: N/A
Port St. Lucie
Income tax: N/A
Sales tax: N/A
Boston has cleaner air on average: 31.0 AQI (Good) compared to 47.0 AQI (Good) in the other city. Lower AQI means cleaner, healthier air.
Pick Port St. Lucie if you prioritize lower overall cost of living (index 95.7 vs 110.4).
Pick Boston if you prioritize higher median household income ($97,344/yr).
Pick Boston if you prioritize cleaner air quality (avg AQI 31.0).
Is Boston cheaper than Port St. Lucie?
Port St. Lucie is cheaper overall, with a cost of living index of 95.7 versus 110.4 (US average = 100). That means prices run about 13% lower in Port St. Lucie.
How much is rent in Boston vs Port St. Lucie?
Median rent is $2,147/mo in Boston, MA and $1,937/mo in Port St. Lucie, FL. Port St. Lucie, FL has the lower rent by about 10%.
Which has higher salaries — Boston or Port St. Lucie?
Median household income is $97,344 in Boston, MA and $80,648 in Port St. Lucie, FL. Boston, MA has the higher median income. Note that BLS occupational wages in the table above show wages for specific jobs.
Which city has better air quality?
Boston, MA has better air quality on average: 31.0 AQI versus 47.0 AQI. Both are EPA AirNow annual averages; lower is better.
Which has lower taxes — Boston or Port St. Lucie?
State tax data is not yet available for one or both cities.
What salary do I need in Port St. Lucie to match my Boston income?
To maintain the same purchasing power, a salary of $100,000 in Boston, MA is equivalent to roughly $86,727 in Port St. Lucie, FL (using the BEA Regional Price Parity ratio). Use the salary calculator above for any income amount.
Data last updated: December 1, 2026 · Sources: US Census ACS, BEA RPP, BLS OEWS, HUD FMR, EPA AirNow, Tax Foundation · Methodology