Bancroft is a town in northwest Kingsbury County, South Dakota, United States.

[6] Bancroft is located on the west bank of Redstone Creek and approximately seven miles north of U.S. Route 14.

[7] According to the United States Census Bureau, the town has a total area of 0.23 square miles (0.60 km2), all of it land.

There were 13 housing units at an average density of 56.5 per square mile (21.8/km2).

40.0% of all households were made up of individuals, and 30% had someone living alone who was 65 years of age or older.

15.4% of all households were made up of individuals, and 15.4% had someone living alone who was 65 years of age or older.