Mastic Beach is a medium-sized coastal town (i.e. on the ocean, a bay, or inlet) located in the state of New York. With a population of 14,199 people and four associated neighborhoods, Mastic Beach is the 133rd largest community in New York.

One interesting thing about the economy is that relatively large numbers of people worked from their home: 7.77% of the workforce. While this number may seem small overall, as a fraction of the total workforce this is high compared to the rest of the county. 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.

Mastic Beach 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.

One downside of living in Mastic Beach, however, is that residents on average have to contend with a long commute, spending on average 37.75 minutes every day commuting to work.

The population of Mastic Beach overall has a level of education that is slightly above the US average for all US cities and towns of 21.84%. Of adults 25 and older in Mastic Beach, 21.49% have at least a bachelor's degree.

The per capita income in Mastic Beach in 2022 was $37,401, which is middle income relative to New York, and upper middle income relative to the rest of the US. This equates to an annual income of $149,604 for a family of four. However, Mastic Beach contains both very wealthy and poor people as well.

Mastic Beach is an extremely ethnically-diverse town. The people who call Mastic Beach home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Mastic Beach residents report their race to be White, followed by Black or African-American. Mastic Beach also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 17.62% of the town’s residents. Important ancestries of people in Mastic Beach include Italian, Irish, German, French, and English.

The most common language spoken in Mastic Beach is English. Other important languages spoken here include Spanish and German/Yiddish.