Castle Butte Township is a

township A township is a kind of human settlement or administrative subdivision, with its meaning varying in different countries. Although the term is occasionally associated with an urban area, that tends to be an exception to the rule. In Australia, Ca ...

in Pennington County, in the U.S. state of

South Dakota South Dakota (; Sioux language, Sioux: , ) is a U.S. state in the West North Central states, North Central region of the United States. It is also part of the Great Plains. South Dakota is named after the Lakota people, Lakota and Dakota peo ...

. Its population was 28 as of the 2010 census.

References

Townships in South Dakota Townships in Pennington County, South Dakota {{SouthDakota-geo-stub