Newark is 6% cheaper than St. Petersburg.
When comparing Newark, NJ and St. Petersburg, FL, the overall cost of living indices are 100 and 106 respectively (national median = 100). Rent is $212/month cheaper in Newark, saving renters about $2,544/year.
Median household income is $24,702/year higher in St. Petersburg. Home values also differ significantly — the median in Newark is $337,800 compared to $331,500 in St. Petersburg.
Florida has no state income tax, giving St. Petersburg residents a significant tax advantage over New Jersey's 10.75% rate.
Newark vs St. Petersburg — common questions
Other cost of living comparisons for Newark and St. Petersburg