In 2023, Ferney, SD had a population of 1 people with a median age of N/A and a median household income of $N/A. Between 2022 and 2023 the population of Ferney, SD declined from 22 to 1, a −95.5% decrease and its median household income stayed from $N/A to $N/A, a NaNk% change.
The 5 largest ethnic groups in Ferney, SD are White (Non-Hispanic) (100%), Black or African American (Non-Hispanic) (0%), American Indian & Alaska Native (Non-Hispanic) (0%), Asian (Non-Hispanic) (0%), and Native Hawaiian & Other Pacific Islander (Non-Hispanic) (0%).
None of the households in Ferney, 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 Ferney, SD are U.S. citizens.