Stonington is a village in Christian County, Illinois, United States.

On December 1, 2018, an EF2 tornado struck the western part of the village; there were no injuries or deaths.

[3] According to the 2021 census gazetteer files, Stonington has a total area of 0.46 square miles (1.19 km2), all land.

There were 395 housing units at an average density of 864.33 per square mile (333.72/km2).

38.49% of all households were made up of individuals, and 17.98% had someone living alone who was 65 years of age or older.