Stewardson is a village in Shelby County, Illinois, United States. The population was 747 at the 2000 census.Stewardson is located at 39°15′47″N 88°37′44″W / 39.26306°N 88.62889°W / 39.26306; -88.62889.According to the 2010 census, Stewardson has a total area of 0.6 square miles, all land.As of the census of 2000, there were 747 people, 305 households, and 204 families residing in the village. The population density was 1,235.0 people per square mile. There were 334 housing units at an average density of 552.2 per square mile. 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.There were 305 households out of which 32.5% had children under the age of 18 living with them, 52.8% were married couples living together, 10.8% had a female householder with no husband present, and 33.1% were non-families. 30.5% of all households were made up of individuals and 18.