New Orleans is 15% cheaper than St. Petersburg.
When comparing New Orleans, LA and St. Petersburg, FL, the overall cost of living indices are 90 and 106 respectively (national median = 100). Rent is $331/month cheaper in New Orleans, saving renters about $3,972/year.
Median household income is $17,779/year higher in St. Petersburg. Home values also differ significantly — the median in New Orleans is $296,400 compared to $331,500 in St. Petersburg.
Florida has no state income tax, giving St. Petersburg residents a significant tax advantage over Louisiana's 4.25% rate.
New Orleans vs St. Petersburg — common questions
Other cost of living comparisons for New Orleans and St. Petersburg