Hudson is a town in Lincoln County, South Dakota, United States.

[6] The town takes its name from Hudson, Iowa, the native home of a large share of the early settlers.

[7] According to the United States Census Bureau, the town has a total area of 0.28 square miles (0.73 km2), all land.

The racial makeup of the town was 98.3% White, 1.0% Native American, and 0.7% from two or more races.

37.3% of all households were made up of individuals, and 20.6% had someone living alone who was 65 years of age or older.

The racial makeup of the town was 98.01% White, 1.49% Native American, and 0.50% from two or more races.