Troy is a somewhat small city located in the state of Illinois. With a population of 11,131 people and two associated neighborhoods, Troy is the 212th largest community in Illinois.

Also of interest is that Troy 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 Troy telecommute to their jobs. Overall, about 7.89% 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.

Because of many things, Troy is a very good place for families to consider. With an enviable combination of good schools, low crime, college-educated neighbors who tend to support education because of their own experiences, and a high rate of home ownership in predominantly single-family properties, Troy really has some of the features that families look for when choosing a good community to raise children. Is Troy perfect? Of course not, and if you like frenetic nightlife, it will be far from your cup of tea. But overall this is a solid community, with many things to recommend it as a family-friendly place to live.

The education level of Troy citizens is very high relative to the national average among all cities (21.84%): 37.79% of adults in Troy have a bachelor's degree or even advanced degree.

The per capita income in Troy in 2022 was $41,038, which is upper middle income relative to Illinois and the nation. This equates to an annual income of $164,152 for a family of four. However, Troy contains both very wealthy and poor people as well.

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

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