Chester is a somewhat small city located in the state of Illinois. With a population of 6,759 people and three associated neighborhoods, Chester is the 287th largest community in Illinois.

Being a small city, Chester does not have a public transit system used by locals to get to and from work.

The percentage of people in Chester with college degrees is quite a bit lower than the national average for cities and towns of 21.84%: just 10.18% of people over 25 have a bachelor's degree or advanced degree.

The per capita income in Chester in 2022 was $24,444, which is low income relative to Illinois and the nation. This equates to an annual income of $97,776 for a family of four. However, Chester contains both very wealthy and poor people as well.

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

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