[4] Although St Johns is an established village, people who reside in St Johns have a Du Quoin street address.

As of the census[6] of 2000, there were 218 people, 96 households, and 62 families residing in the village.

There were 106 housing units at an average density of 150.7 per square mile (58.2/km2).

30.2% of all households were made up of individuals, and 9.4% had someone living alone who was 65 years of age or older.

About 9.4% of families and 11.4% of the population were below the poverty line, including 7.9% of those under the age of eighteen and none of those 65 or over.