Henry is a town in southwestern Codington County, South Dakota, United States.

[6] It is part of the Watertown, South Dakota Micropolitan Statistical Area.

[8] According to the United States Census Bureau, the town has a total area of 1.45 square miles (3.76 km2), all land.

The racial makeup of the town was 98.88% White, 0.37% Native American, 0.75% from other races.

About 5.1% of families and 10.0% of the population were below the poverty line, including 10.0% of those under the age of eighteen and 38.5% of those 65 or over.

Media related to Henry, South Dakota at Wikimedia Commons