Stewardson is a village in Shelby County, Illinois, United States.

According to the 2010 census, Stewardson has a total area of 0.6 square miles (1.55 km2), all land.

There were 334 housing units at an average density of 552.2 per square mile (213.2/km2).

The racial makeup of the village was 99.33% White, 0.13% Native American, 0.13% Asian, and 0.40% from two or more races.

30.5% of all households were made up of individuals, and 18.7% had someone living alone who was 65 years of age or older.