Northville is a town in Spink County, South Dakota, United States.

[7] The city was named from the fact it was then the most northern point on the railroad line.

[8] According to the United States Census Bureau, the town has a total area of 0.38 square miles (0.98 km2), all land.

The racial makeup of the town was 97.2% White, 2.1% Native American, and 0.7% from two or more races.

25.0% of all households were made up of individuals, and 5.7% had someone living alone who was 65 years of age or older.

There were 6.7% of families and 9.1% of the population living below the poverty line, including 7.8% of under eighteens and 16.7% of those over 64.