St. Paul is 14% cheaper than St. Petersburg.
When comparing St. Paul, MN and St. Petersburg, FL, the overall cost of living indices are 91 and 106 respectively (national median = 100). Rent is $294/month cheaper in St. Paul, saving renters about $3,528/year.
Median household income is $63/year higher in St. Petersburg. Home values also differ significantly — the median in St. Paul is $280,300 compared to $331,500 in St. Petersburg.
Florida has no state income tax, giving St. Petersburg residents a significant tax advantage over Minnesota's 9.85% rate.
St. Paul vs St. Petersburg — common questions
Other cost of living comparisons for St. Paul and St. Petersburg