FerneySD
A town, laid out in 1886.
Is Ferney a good place to live?
We don’t grade Ferney yet; the figures below are still real.
Moving to Ferney: who provides what
Ferney is unincorporated, so Brown County and regional agencies provide most services.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Aug 3, 2026.
The data
Ordered by what stands out in Ferney.
Ferney: four seasons and pleasant summers
The town’s typical July afternoon high stands at 83°F, where South Dakota’s towns sit at 85°F and U.S. towns at 85°F.
Typical low → high °F
NOAA U.S. Climate Normals, 1991–2020
The biggest natural risk in Ferney is inland flooding, at a low overall level
Of the losses FEMA expects in Ferney, 39% come from inland flooding and 34% from cold waves. On expected storm and flood damage, Ferney sits below 62% of U.S. communities. Households in the town have drawn federal disaster aid once, in 2007.
FEMA National Risk Index · OpenFEMA
How healthy Ferney is
Among 36 South Dakota towns, just 3 have a higher share of adults who had a checkup this year than Ferney. On the CDC’s 26 measures, Ferney is ahead of South Dakota on 2 and behind on 8. In Ferney, 38% of adults have high blood pressure, above both the South Dakota town median (31%) and the median of U.S. towns (35%); what’s more, 13% of Ferney adults have diabetes.
| Ferney | South Dakota towns | U.S. towns | |
|---|---|---|---|
| High blood pressure (CDC PLACES) | 38% | 31% | 35% |
| Frequent mental distress (CDC PLACES) | 14% | 15% | 17% |
| Sleep under 7 hours (CDC PLACES) | 30% | 30% | 36% |
| Diabetes (CDC PLACES) | 13% | 10% | 12% |
| What stands out | Ferney | SD |
|---|---|---|
| More adults treating high blood pressure | 80.7% | 75.9% |
| More adults getting cholesterol checked | 87.1% | 84.8% |
| More adults with COPD | 8.6% | 6.7% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Everything we know about Ferney
Colleges nearby
None within 15 miles of Ferney; the nearest are
About Ferney
Census-designated place in South Dakota, United States
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, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Area
- 1.0 sq mi
- Elevation
- 1,302 ft
- ZIP code
- 57439
- Area code
- 605
Ferney’s neighbors
2 towns share a border with Ferney.
| Town | SD rank | Overall | Cost | Safety | Schools | Health |
|---|---|---|---|---|---|---|
| Ferney | — | — | — | — | — | — |
| East Hanson Township | — | — | — | — | — | — |
| West Hanson Township | — | — | — | — | — | — |
Ferney, East Hanson Township and West Hanson Township aren’t graded (fewer than 1,000 residents, or not enough data). Compare Ferney with a neighbor →
Questions about Ferney
Short answers, built from the data on this page.
Is Ferney, SD a good place to live?
We don’t grade Ferney yet; the figures below are still real. A town, laid out in 1886.