Greenwich is a very small village located in the state of New York. With a population of 1,676 people and two associated neighborhoods, Greenwich is the 654th largest community in New York. Greenwich has an unusually large stock of pre-World War II architecture, making it one of the older and more historic villages.

Telecommuters are a relatively large percentage of the workforce: 10.67% 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.

As is often the case in a small village, Greenwich doesn't have a public transportation system that people use for their commute.

The population of Greenwich 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: 34.86% of adults in Greenwich have a bachelor's degree or even advanced degree.

The per capita income in Greenwich in 2022 was $36,675, 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 $146,700 for a family of four. However, Greenwich contains both very wealthy and poor people as well.

The people who call Greenwich home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Greenwich residents report their race to be White, followed by Black or African-American. Important ancestries of people in Greenwich include Irish, English, German, Italian, and Polish.

The most common language spoken in Greenwich is English. Other important languages spoken here include Italian and Polish.