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

[6] The town took its name after Brentford, in England, the native home of a railroad official.

[7] According to the United States Census Bureau, the town has a total area of 0.16 square miles (0.41 km2), all land.

23.3% of all households were made up of individuals, and 6.7% had someone living alone who was 65 years of age or older.

There were no families and 11.3% of the population living below the poverty line, including no under eighteens and none of those over 64.