Gann Valley

South Dakota · SD

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About Gann Valley

Unincorporated community in South Dakota, United States

1885Established

10Population

1,604 ftElevation

Gann Valley is a census-designated place in and the county seat of Buffalo County, South Dakota, United States. The town had a population of 10 as of the 2020 census. It is the smallest unincorporated county seat in the United States.

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From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

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ZIP code57341