Westchester is a medium-sized village located in the state of Illinois. With a population of 16,094 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.

One interesting thing about the economy is that relatively large numbers of people worked from their home: 14.32% of the workforce. While this number may seem small overall, as a fraction of the total workforce this is high compared to the rest of the county. 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, Westchester 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.

Because of many things, Westchester is a great place for families with children to consider. First of all, many other families with children live here, making Westchester a place where both parents and children are more likely to develop social ties with other families, as well as find family-oriented services and community. The village’s good public school district and large population of college-educated adults provide an environment conducive to academic values. With regard to real estate, Westchester has a high rate of owner-occupied single family homes, which tends to reflect stability in the local community. Finally, Westchester’s overall crime rate is lower than average for the country.

Even though Westchester is a smaller village, it has many people who hop on public transportation – mostly the train for their daily commute to work. Typically, these people are commuting to good jobs in the surrounding cities.

Westchester is one of the most well-educated cities in the nation. 45.73% of adults in Westchester have at least a bachelor's degree. Compare that to the average community in America, which has just 21.84% with a bachelor's degree or higher.

The per capita income in Westchester in 2022 was $53,223, which is wealthy relative to Illinois and the nation. This equates to an annual income of $212,892 for a family of four.

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 21.29% of the village’s residents. Important ancestries of people in Westchester include Irish, Italian, German, Polish, and Czech.

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