Joliet is a relatively large city located in the state of Illinois. With a population of 150,489 people and 48 associated neighborhoods, Joliet is the third largest community in Illinois.

A relatively large number of people in Joliet telecommute to their jobs. Overall, about 7.29% 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 terms of college education, Joliet is somewhat better educated than the 21.84% who have a 4-year degree or higher in the typical US community: 25.03% of adults 25 and older in the city have at least a bachelor's degree.

The per capita income in Joliet in 2022 was $35,820, which is middle income relative to Illinois and the nation. This equates to an annual income of $143,280 for a family of four. However, Joliet contains both very wealthy and poor people as well.

Joliet is an extremely ethnically-diverse city. The people who call Joliet home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Joliet residents report their race to be White, followed by Black or African-American. Joliet also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 34.70% of the city’s residents. Important ancestries of people in Joliet include German, Irish, Polish, Italian, and English.

Joliet also has a high percentage of its population that was born in another country: 15.20%.

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