Westchester is a medium-sized village located in the state of Illinois. With a population of 16,313 people and five associated neighborhoods, Westchester is the 151st largest community in Illinois.

Westchester real estate is some of the most expensive in Illinois, although Westchester house values don't compare to the most expensive real estate in the U.S.

Also of interest is that Westchester 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 Westchester telecommute to their jobs. Overall, about 13.99% 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.

In Westchester, a lot of people use the train to get to work every day though Westchester is a relatively small village. Those that ride the train are primarily traveling out of town to good jobs in other cities.

The citizens of Westchester are among the most well-educated in the nation: 43.60% of adults in Westchester 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 Westchester in 2022 was $51,964, which is wealthy relative to Illinois and the nation. This equates to an annual income of $207,856 for a family of four. However, Westchester contains both very wealthy and poor people as well.

Westchester is an extremely ethnically-diverse village. The people who call Westchester home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Westchester residents report their race to be White, followed by Black or African-American. Westchester also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 26.59% of the village’s residents. Important ancestries of people in Westchester include Irish, Italian, German, Polish, and Czech.

Westchester also has a high percentage of its population that was born in another country: 16.50%.

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