Woonsocket is a city in Sanborn County, South Dakota, United States.

It was claimed that in its prime, the well flowed over 8,000 gallons per minute out of the six inch wide pipe.

[13] As of the census[15] of 2010, there were 655 people, 287 households, and 168 families residing in the city.

There were 318 housing units at an average density of 407.7 per square mile (157.4/km2).

37.6% of all households were made up of individuals, and 21.3% had someone living alone who was 65 years of age or older.

There were 330 housing units at an average density of 420.9 per square mile (162.5/km2).

31.6% of all households were made up of individuals, and 19.6% had someone living alone who was 65 years of age or older.