Thornton is a village in Cook County, Illinois, United States, and a south suburb of Chicago.

[6] As of the 2020 census[11] there were 2,386 people, 960 households, and 591 families residing in the village.

There were 1,061 housing units at an average density of 441.90 per square mile (170.62/km2).

31.35% of all households were made up of individuals, and 16.25% had someone living alone who was 65 years of age or older.

Pace provides bus service on Route 353 connecting Thornton to destinations across the Southland.