Wolsey is a town in Beadle County, South Dakota, United States.

[7] A post office has been in operation in Wolsey since 1883, the same year the town was platted.

There were 194 housing units at an average density of 85.5 per square mile (33.0/km2).

32.1% of all households were made up of individuals, and 15.7% had someone living alone who was 65 years of age or older.

The racial makeup of the town was 99.52% White, 0.24% Native American, and 0.24% from two or more races.

27.6% of all households were made up of individuals, and 19.0% had someone living alone who was 65 years of age or older.