Las Vegas is 5% more expensive than St. Petersburg.
When comparing Las Vegas, NV and St. Petersburg, FL, the overall cost of living indices are 111 and 106 respectively (national median = 100). Rent is $86/month cheaper in Las Vegas, saving renters about $1,032/year.
Median household income is $2,395/year higher in St. Petersburg. Home values also differ significantly — the median in Las Vegas is $395,300 compared to $331,500 in St. Petersburg.
Las Vegas vs St. Petersburg — common questions
Other cost of living comparisons for Las Vegas and St. Petersburg