St. Petersburg is 8% more expensive than Grand Prairie.
When comparing St. Petersburg, FL and Grand Prairie, TX, the overall cost of living indices are 106 and 98 respectively (national median = 100). Rent is $72/month cheaper in Grand Prairie, saving renters about $864/year.
Median household income is $5,771/year higher in Grand Prairie. Home values also differ significantly — the median in St. Petersburg is $331,500 compared to $272,200 in Grand Prairie.
St. Petersburg vs Grand Prairie — common questions
Other cost of living comparisons for St. Petersburg and Grand Prairie