St. Petersburg demographics profile

StatisticSt. PetersburgFloridaNational
Population density (sq mi)4,10529491
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%
St. Petersburg, FL has a population of 253,585 and is the 78th largest city in the United States. The population density is 4,105 per sq mi which is 1298% higher than the Florida average and 4431% higher than the national average. The median age in St. Petersburg is 42 which is approximately 2% higher than the Florida average of 42. In St. Petersburg, 47% of the population over 15 years of age are married, 88% speak English and 5% speak Spanish. 41% of St. Petersburg residents were born in Florida, 47% were born out of state, 2% were born outside of the United States and 10% were foreign born.
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Did you know?

  • The population density in St. Petersburg is 1298% 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 or African American.
  • In St. Petersburg 3.30% of the population is Asian.

Compare St. Petersburg, FL Demographics To Other Cities

St. Petersburg population breakdown by race

RaceSt. PetersburgFloridaNational
Black or African American23.48%16.14%12.63%
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.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

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).
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