Centereach is a medium-sized town located in the state of New York. With a population of 30,980 people and six associated neighborhoods, Centereach is the 45th largest community in New York.

Housing costs in Centereach are among some of the highest in the nation, although real estate prices here don't compare to real estate prices in the most expensive communities in New York.

Also of interest is that Centereach 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 Centereach telecommute to their jobs. Overall, about 8.51% 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.

Centereach is a good choice for families with children because of several factors. Many other families with children live here, making it a place where both parents and children are more likely to develop social ties with other families. The town’s good public school district and large population of college-educated adults provide an environment conducive to academic success. Many people own their own single-family homes, providing areas for children to play and stability in the community. Finally, Centereach’s overall crime rate is lower than average for the country.

One downside of living in Centereach is that it can take a long time to commute to work. In Centereach, the average commute to work is 31.28 minutes, which is quite a bit higher than the national average.

The education level of Centereach citizens is very high relative to the national average among all cities (21.84%): 34.81% of adults in Centereach have a bachelor's degree or even advanced degree.

The per capita income in Centereach in 2022 was $46,051, which is upper middle income relative to New York, and wealthy relative to the rest of the US. This equates to an annual income of $184,204 for a family of four.

Centereach is a very ethnically-diverse town. The people who call Centereach home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Centereach residents report their race to be White, followed by Asian. Centereach also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 16.58% of the town’s residents. Important ancestries of people in Centereach include Italian, Irish, German, English, and Polish.

The most common language spoken in Centereach is English. Other important languages spoken here include Spanish and Chinese.