StatisticSt. PetersburgFloridaNational
Population density (sq mi)4,10541091
Median age42.441.637.7
Male/Female ratio0.9:11.0:11.0:1
Married (15yrs & older)47%54%55%
Families w/ Kids under 1836%38%43%
Speak English88%72%79%
Speak Spanish5%21%13%

Key findings

  • The population density in St. Petersburg is 901% higher than Florida
  • The median age in St. Petersburg is 2% higher than Florida
  • In St. Petersburg 69.04% of the population is White
  • In St. Petersburg 23.48% of the population is Black
  • In St. Petersburg 3.30% of the population is Asian

Compare St. Petersburg, FL Demographics


      St. Petersburg population breakdown by race

      RaceSt. PetersburgFloridaNational
      American Indian0.21%0.27%0.82%
      Native Hawaiian0.05%0.06%0.18%
      Mixed race2.79%2.48%3.06%
      Other race1.13%2.54%4.75%
      In St. Petersburg, 7.7% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      St. Petersburg age breakdown

      Marital status

      Age of children in married couples

      Source: The St. Petersburg, FL demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).