Westbury is a medium-sized village located in the state of New York. With a population of 15,739 people and ten associated neighborhoods, Westbury is the 118th largest community in New York.

Westbury home prices are not only among the most expensive in New York, but Westbury real estate also consistently ranks among the most expensive in America.

Also of interest is that Westbury 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: 8.47% 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.

In addition, Westbury is home to many people who could be described as "urban sophisticates". Urban sophisticates are educated, wealthy, executives and professionals, who have urbane tastes in books, food, and travel, whether they actually live in a big city, or choose to reside in a small town. In big or medium-sized cities, urban sophisticates tend to frequent art institutions such as opera, symphonies, ballet, live theatre, and museums.

One downside of living in Westbury is that it can take a long time to commute to work. In Westbury, the average commute to work is 30.80 minutes, which is quite a bit higher than the national average. On the other hand, local public transit is widely used in the village, so leaving the car at home and taking transit is often a viable alternative.

Despite being a small village, Westbury has a lot of people using the train to get to and from work every day. Most of these people on the train are using it to get to good jobs in other cities.

The citizens of Westbury are among the most well-educated in the nation: 47.25% of adults in Westbury 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 Westbury in 2022 was $56,344, 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 $225,376 for a family of four.

Westbury is an extremely ethnically-diverse village. The people who call Westbury home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Westbury residents report their race to be White, followed by Black or African-American. Westbury also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 32.17% of the village’s residents. Important ancestries of people in Westbury include Italian, Irish, German, English, and Polish.

Foreign born people are also an important part of Westbury's cultural character, accounting for 33.11% of the village’s population.

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