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.

Telecommuters are a relatively large percentage of the workforce: 9.59% of people work from home. While this number may seem small overall, as a fraction of the total workforce it is high relative to the nation. 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, however, is that residents on average have to contend with a long commute, spending on average 31.33 minutes every day commuting to work.

The population of Centereach is very well educated relative to most cities and towns in the nation, where the average community has 21.84% of its adult population holding a 4-year degree or higher: 34.74% of adults in Centereach have a bachelor's degree or even advanced degree.

The per capita income in Centereach in 2022 was $47,047, 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 $188,188 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 15.06% 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.