St. Petersburg population
St. Petersburg, Florida had an estimated 264,033 residents on July 1, 2025, the 87th-largest city in the US. That is up 7.9% since the 2010 Census and up 6.2% since 2000.
- Population, July 2025
- 264,033+2.2% since April 2020
- People per sq mile
- 4,27261.8 sq mi of land
- Median age
- 43.121.1% are 65 or older
- Households with kids
- 19%with anyone under 18
Population by year, 2000 to 2025
| Year | Population | Change | Basis |
|---|---|---|---|
| 2025 | 264,033 | -1,822 | Estimate, July 1 |
| 2024 | 265,855 | +934 | Estimate, July 1 |
| 2023 | 264,921 | +2,266 | Estimate, July 1 |
| 2022 | 262,655 | +2,832 | Estimate, July 1 |
| 2021 | 259,823 | +1,465 | Estimate, July 1 |
| 2020 | 258,358 | -7,105 | April 2020 estimates base |
| 2019 | 265,463 | +916 | Estimate, July 1 |
| 2018 | 264,547 | +1,810 | Estimate, July 1 |
| 2017 | 262,737 | +3,294 | Estimate, July 1 |
| 2016 | 259,443 | +4,243 | Estimate, July 1 |
| 2015 | 255,200 | +2,853 | Estimate, July 1 |
| 2014 | 252,347 | +3,803 | Estimate, July 1 |
| 2013 | 248,544 | +1,832 | Estimate, July 1 |
| 2012 | 246,712 | +812 | Estimate, July 1 |
| 2011 | 245,900 | +1,131 | Estimate, July 1 |
| 2010 | 244,769 | +123 | 2010 Census (April 1) |
| 2009 | 244,646 | -549 | Estimate, July 1 |
| 2008 | 245,195 | -842 | Estimate, July 1 |
| 2007 | 246,037 | -1,751 | Estimate, July 1 |
| 2006 | 247,788 | -1,669 | Estimate, July 1 |
| 2005 | 249,457 | +34 | Estimate, July 1 |
| 2004 | 249,423 | +281 | Estimate, July 1 |
| 2003 | 249,142 | +48 | Estimate, July 1 |
| 2002 | 249,094 | +74 | Estimate, July 1 |
| 2001 | 249,020 | +303 | Estimate, July 1 |
| 2000 | 248,717 | April 2000 estimates base |
Year-to-year changes across 2010 and 2020 mix census counts with estimates, so small jumps at those years are partly method changes.
Frequently asked questions
What is the population of St. Petersburg in 2025?
The Census Bureau estimates St. Petersburg had 264,033 residents on July 1, 2025, making it the 87th-largest city in the US.
Is St. Petersburg growing?
Yes. St. Petersburg has grown 7.9% since the 2010 Census (244,769 people), and grown 2.2% since 2020.
What was the population of St. Petersburg in 2000?
About 248,717 (the Census Bureau's April 2000 estimates base). By the 2010 Census it was 244,769.
How dense is St. Petersburg?
St. Petersburg has about 4,272 people per square mile of land (61.8 square miles).
More about St. Petersburg
See cost of living, jobs and commutes in St. Petersburg, St. Petersburg weather by month, or every St. Petersburg ZIP code. For the biggest cities in the country, see the largest US cities.