St. Petersburg is a large coastal city (i.e. on the ocean, a bay, or inlet) located in the state of Florida. With a population of 261,256 people and 94 associated neighborhoods, St. Petersburg is the fifth largest community in Florida.

Also of interest is that St. Petersburg has more people living here who work in computers and math than 95% of the places in the US.

A relatively large number of people in St. Petersburg telecommute to their jobs. Overall, about 15.75% of the workforce works from home. While this may seem like a small number, as a fraction of the total workforce it ranks among the highest in the country. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

St. Petersburg is one of the most attractive larger cities for people who are young, single, educated, and upwardly-mobile career starters. This makes it a good place to live for young singles in their 20s and 30s and who have undergraduate or graduate degrees and are starting their professional careers. Although St. Petersburg is a large city, this demographic is significant enough that young professionals will find many others like themselves here, with really good opportunities for friendships, recreation, romance, and more.

St. Petersburg is also nautical, which means that parts of it are somewhat historic and touch the ocean or tidal bodies of water, such as inlets and bays. Such areas are often places that visitors and locals go for waterfront activities or taking in the scenery.

The citizens of St. Petersburg are among the most well-educated in the nation: 40.56% of adults in St. Petersburg have a bachelor's degree or even advanced degree, whereas the average US city has 21.84% holding at least a bachelor's degree.

The per capita income in St. Petersburg in 2022 was $46,755, which is upper middle income relative to Florida, and wealthy relative to the rest of the US. This equates to an annual income of $187,020 for a family of four. However, St. Petersburg contains both very wealthy and poor people as well.

St. Petersburg is an extremely ethnically-diverse city. The people who call St. Petersburg home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of St. Petersburg residents report their race to be White, followed by Black or African-American. Important ancestries of people in St. Petersburg include German, Irish, English, Italian, and French.

The most common language spoken in St. Petersburg is English. Other important languages spoken here include Spanish and Slavic languages.