St. Petersburg, Florida Population 2019
St. Petersburg, Florida's estimated population is 263,255 according to the most recent United States census estimates. St. Petersburg, Florida is the 5th largest city in Florida based on official 2017 estimates from the US Census Bureau.
The population density is 4261.70 people/mi² (1645.44 people/km²), with a household density of 821.02 people/km² (2126.45 people/mi²).
The overall median age is 42.6 years, 41.1 years for males, and 44.1 years for females. For every 100 females there are 92.5 males.
Based on data from the American Community Survey, in 2017 there were 131,356 households in the city, with an average size of people per household. The homeowner vacancy rate was 2.4%, with a median rent of $1015/month. The median house has 4.9 rooms, and has a value of $165,000.
The median income for households in St. Petersburg, Florida is $50,622, while the mean household income is $70,964. The per capita income is $, and % of families and % of individuals are below the federal poverty line. % of those under 18 are in poverty, and % of those 65 years or older.
| Year | Population | Growth | Annual Growth Rate |
| 2017 | 263,255 | 3,336 | 1.28% |
| 2016 | 259,919 | 4,251 | 1.66% |
| 2015 | 255,668 | 3,033 | 1.20% |
| 2014 | 252,635 | 3,974 | 1.60% |
| 2013 | 248,661 | 1,879 | 0.76% |
| 2012 | 246,782 | 905 | 0.37% |
| 2011 | 245,877 | 661 | 0.27% |
| 2010 | 245,216 | -3,016 | -0.12% |
| 2000 | 248,232 | 9,603 | 0.40% |
| 1990 | 238,629 | -18 | -0.00% |
| 1980 | 238,647 | 22,488 | 0.99% |
| 1970 | 216,159 | 34,861 | 1.77% |
| 1960 | 181,298 | 84,560 | 6.48% |
| 1950 | 96,738 | 35,926 | 4.75% |
| 1940 | 60,812 | 20,387 | 4.17% |
| 1930 | 40,425 | 26,188 | 11.00% |
| 1920 | 14,237 | 10,110 | 13.18% |
| 1910 | 4,127 | 2,527 | 9.94% |
| 1900 | 1,600 | 1,300 | 18.22% |
| 1890 | 300 | 0.00% |
