Fleming Island is a medium-sized town located in the state of Florida. With a population of 29,142 people and five associated neighborhoods, Fleming Island is the 110th largest community in Florida. Fleming Island has seen a significant amount of newer housing growth in recent years. Quite often, new home construction is the result of new residents moving in who are middle class or wealthier, attracted by jobs, a healthy local economy, or other amenities as they leave nearby or far away areas for greener pastures. This seems to be the case in Fleming Island, where the median household income is $117,414.00.

There are many members of the armed forces living in Fleming Island. You will notice when you visit or live here that some of the people you meet or see around town are employed by the armed services - even if they are not always in uniform.

Also of interest is that Fleming Island 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 Fleming Island telecommute to their jobs. Overall, about 16.91% 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.

Because of many things, Fleming Island is a great place for families with children to consider. First of all, many other families with children live here, making Fleming Island a place where both parents and children are more likely to develop social ties with other families, as well as find family-oriented services and community. The town’s good public school district and large population of college-educated adults provide an environment conducive to academic values. With regard to real estate, Fleming Island has a high rate of owner-occupied single family homes, which tends to reflect stability in the local community. Finally, Fleming Island’s overall crime rate is lower than average for the country.

Being a small town, Fleming Island does not have a public transit system used by locals to get to and from work.

The citizens of Fleming Island are among the most well-educated in the nation: 48.32% of adults in Fleming Island 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 Fleming Island in 2022 was $51,368, which is upper middle income relative to Florida, and wealthy relative to the rest of the US. This equates to an annual income of $205,472 for a family of four.

Fleming Island is a very ethnically-diverse town. The people who call Fleming Island home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Fleming Island residents report their race to be White, followed by Black or African-American. Fleming Island also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 10.29% of the town’s residents. Important ancestries of people in Fleming Island include English, German, Irish, Italian, and Scottish.

The most common language spoken in Fleming Island is English. Other important languages spoken here include Spanish and Tagalog.