St. Petersburg is a city in Pinellas County, Florida, United States. As of the 2020 census estimate, the population was 271,842, making it the fifth-most populous city in Florida and the largest in the state that is not a county seat. St. Petersburg is the fifth-largest city in Florida and the second-largest city in the Tampa Bay Area, after Tampa. Together with Clearwater, these cities comprise the Tampa–St. Petersburg–Clearwater Metropolitan Statistical... Show more

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