In 2023, Gann Valley, SD had a population of 5 people with a median age of 33.7 and a median household income of N/A. Between 2022 and 2023 the population of Gann Valley, SD declined from 12 to 5, a −58.3% decrease and its median household income N/A from N/A to N/A, a N/A% N/A.
The 5 largest ethnic groups in Gann Valley, SD are White (Non-Hispanic) (100%), White (Hispanic) (0%), Black or African American (Non-Hispanic) (0%), Black or African American (Hispanic) (0%), and American Indian & Alaska Native (Non-Hispanic) (0%).
None of the households in Gann Valley, SD reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
100% of the residents in Gann Valley, SD are U.S. citizens.
Most people in Gann Valley, SD drove alone to work, and the average commute time was 26.6 minutes. The average car ownership in Gann Valley, SD was 2 cars per household.