St. Petersburg is 46% cheaper than Fullerton.
When comparing St. Petersburg, FL and Fullerton, CA, the overall cost of living indices are 106 and 195 respectively (national median = 100). Rent is $582/month cheaper in St. Petersburg, saving renters about $6,984/year.
Median household income is $31,101/year higher in Fullerton. Home values also differ significantly — the median in St. Petersburg is $331,500 compared to $859,600 in Fullerton.
Florida has no state income tax, giving St. Petersburg residents a significant tax advantage over California's 13.3% rate.
St. Petersburg vs Fullerton — common questions
Other cost of living comparisons for St. Petersburg and Fullerton