Lexington is 23% cheaper than St. Petersburg.
When comparing Lexington, KY and St. Petersburg, FL, the overall cost of living indices are 82 and 106 respectively (national median = 100). Rent is $441/month cheaper in Lexington, saving renters about $5,292/year.
Median household income is $5,487/year higher in St. Petersburg. Home values also differ significantly — the median in Lexington is $272,100 compared to $331,500 in St. Petersburg.
Florida has no state income tax, giving St. Petersburg residents a significant tax advantage over Kentucky's 4.0% rate.
Lexington vs St. Petersburg — common questions
Other cost of living comparisons for Lexington and St. Petersburg