Cincinnati is 35% cheaper than St. Petersburg.
When comparing Cincinnati, OH and St. Petersburg, FL, the overall cost of living indices are 69 and 106 respectively (national median = 100). Rent is $589/month cheaper in Cincinnati, saving renters about $7,068/year.
Median household income is $21,411/year higher in St. Petersburg. Home values also differ significantly — the median in Cincinnati is $215,300 compared to $331,500 in St. Petersburg.
Florida has no state income tax, giving St. Petersburg residents a significant tax advantage over Ohio's 3.5% rate.
Cincinnati vs St. Petersburg — common questions
Other cost of living comparisons for Cincinnati and St. Petersburg