Cornwall is a somewhat small town located in the state of New York. With a population of 9,578 people and two associated neighborhoods, Cornwall is the 191st largest community in New York.

Housing costs in Cornwall 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.

Of important note, Cornwall is also a town of artists. Cornwall has more artists, designers and people working in media than 90% of the communities in America. This concentration of artists helps shape Cornwall’s character.

Also of interest is that Cornwall 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: 8.42% 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, Cornwall 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.

Cornwall 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, Cornwall’s overall crime rate ranks among the lowest in the country, making it one of the safest places to raise a family.

The education level of Cornwall ranks among the highest in the nation. Of the 25-and-older adult population in Cornwall, 49.40% have at least a bachelor's degree. The typical US community has just 21.84% of its adults holding a bachelor's degree or graduate degree.

The per capita income in Cornwall in 2022 was $51,562, 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 $206,248 for a family of four. However, Cornwall contains both very wealthy and poor people as well.

Cornwall is a very ethnically-diverse town. The people who call Cornwall home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Cornwall residents report their race to be White, followed by Black or African-American. Cornwall also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 14.51% of the town’s residents. Important ancestries of people in Cornwall include Irish, Italian, German, English, and Polish.

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