Gann Valley is a small unincorporated community located in Buffalo County, South Dakota. It is situated in the central part of the state and is known for its rural landscape and agricultural activities. The area primarily consists of farmland and open spaces, contributing to its quiet, country atmosphere. The community is part of the Aberdeen, SD Micropolitan Statistical Area and has a small population. Gann Valley is surrounded by natural beauty, including rolling hills and nearby rivers, making it a peaceful place for residents and visitors alike. The region reflects the typical lifestyle of rural South Dakota.