ZIP Code 57439
About Ferney
Ferney is an unincorporated community and census-designated place in Brown County, South Dakota, United States. As of the 2020 census it had a population of 42.
From Wikipedia — text licensed CC BY-SA 4.0.
Area Profile
US Census (ACS 5-year · Gazetteer)
1
population
3
people / sq mi
21
housing units
1
households
0.4
land area (sq mi)