Washington is 51% more expensive than Port St. Lucie.
When comparing Washington, DC and Port St. Lucie, FL, the overall cost of living indices are 171 and 113 respectively (national median = 100). Rent is $119/month cheaper in Port St. Lucie, saving renters about $1,428/year.
Median household income is $28,150/year higher in Washington. Home values also differ significantly — the median in Washington is $724,600 compared to $327,700 in Port St. Lucie.
Florida has no state income tax, giving Port St. Lucie residents a significant tax advantage over District of Columbia's 10.75% rate.
Washington vs Port St. Lucie — common questions
Other cost of living comparisons for Washington and Port St. Lucie