| City: | Ferney, South Dakota |
| County: | Brown County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 7:49:57 AM |
| Population: | 42 [See All] |
| Area Code: | 605 |
| Classification: | PO Box |
| Coordinates: | 45.3309, -98.0978 |
| Land Area: | 0.399 sq mi |
| Quick Link: |
Ferney is a small farming community in Brown County, South Dakota, with just 42 residents and 16 households. The community post office maintains 23 PO Boxes, serving not only local residents but surrounding rural areas as well. With a PO Box adoption rate of 1.44, the post office provides regional mail access beyond the immediate town.
Mail delivery in Ferney combines local service with rural routes. The town itself has a small grid of streets including Center Street, N 1st Street, and South Street, but most mail goes to PO Boxes rather than street addresses. Rural route delivery extends to surrounding farms and properties.
Ferney's median age of 28 years is notably young for such a small rural community. Nearly all housing was built before 1939, giving the town a historic character. With 14 owner-occupied homes and just 2 rentals, this is primarily a community of long-term residents.
Mail can be addressed to PO Boxes or street addresses in Ferney, SD 57439. The facility operates as a Community Post Office with both PO Box service and rural carrier delivery available.
Simple numbered grid with Center Street as main thoroughfare, plus tree-named streets (Elm, Ash).
ZIP Code 57439 has 42 residents and 16 households (average 2.63 persons per household). The median age is 28.0 years, significantly younger than the state (37.7) and significantly younger than the nation (38.8). The gender split is 59.5% male and 40.5% female, which is much higher than the national male share (49.1%), making this a male-majority area. Largest groups are White (88.1%, much higher than the state average of 80.7% and well above the national average of 61.6%) and Hispanic or Latino (9.5%); Hispanic or Latino residents make up 9.5%, which is much lower than the national average (18.7%).
Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship
| 2020 Population: | 42Source: Census DHC |
| 2024 ACS Population Estimate: | 0Source: Census ACS |
| 2026 ZC Population Estimate: | 0Source: ZIP-Codes.com |
| Population Density: | 105.3 people per sq mile |
| Average Income: | $0Source: Census ACS |
| Households: | 16Source: Census DHC |
| Average House Value: | $666,666,666Source: Census ACS |
| Persons Per Household: | 2.63Source: Census DHC |
| Average Family Size: | 4.11Source: Census ACS |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 65 | 65 | 60 | 28 | 30 | 42 | 41 | 60 | 41 | 37 | 28 | 22 | 1 | 0 |
| Decennial Census | 52 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 42 | -- | -- | -- | -- |
Median Age: 28
Male Median Age: 28.5
Female Median Age: 26.5
| Group | < 5 | 5-9 | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 | 85+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male | 5 | 0 | 2 | 1 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 3 | 4 | 0 | 2 | 1 | 0 | 0 |
| Female | 0 | 3 | 0 | 2 | 2 | 2 | 2 | 0 | 2 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Total | 5 | 3 | 2 | 3 | 2 | 9 | 2 | 0 | 2 | 3 | 0 | 4 | 4 | 0 | 2 | 1 | 0 | 0 |
| White: | 37 | 88.10% |
| Black: | 0 | 0% |
| Hispanic:* | 4 | 9.52% |
| Asian: | 0 | 0% |
| American Indian: | 0 | 0% |
| Hawaiian: | 0 | 0% |
| Other: | 1 | 2.38% |
| Total: | 42 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 25 | 59.52% | 28.5 years |
| Females: | 17 | 40.48% | 26.5 years |
| Total: | 42 | 100% | 28.0 years |
| Native, born in the United States: | 0 | 0% |
| Native, born in PR, Island Areas, or abroad: | 0 | 0% |
| Foreign born, naturalized U.S. citizen: | 0 | 0% |
| Foreign born, not a U.S. citizen: | 0 | 0% |
| Total Population: | 0 | 100% |
| Total Native Population: | 0 | 0% |
| Total Foreign-born Population: | 0 | 0% |
In 2024, the median home value is $0, which is much lower than the national median ($332,700), and below its 2019 pre-pandemic level by $839,800. The median gross rent is $0, which is well under the national median ($1,413), and above its 2019 pre-pandemic level by $0. Insufficient data for owner/renter mix. Insufficient data for vacancy rate.
Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Home Value | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $839,800 | $0 | $0 | $0 | $0 | $0 |
| Less than $500: | 0 | 0% |
| $500 to $999: | 0 | 0% |
| $1,000 to $1,499: | 0 | 0% |
| $1,500 to $1,999: | 0 | 0% |
| $2,000 to $2,499: | 0 | 0% |
| $2,500 to $2,999: | 0 | 0% |
| $3,000 or more: | 0 | 0% |
| No Rent: | 0 | 0% |
| Total: | 0 | 100% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Rent | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Owner Occupied (with mortgage): | 0 | 0% |
| Owner Occupied (free and clear, no mortgage): | 0 | 0% |
| Renter Occupied: | 0 | 0% |
| Total Occupied Housing Units: | 0 | 100% |
| Occupied Housing Units: | 0 | 0.00% |
| Vacant Housing Units (not graphed): | 20 | 100.00% |
| Total Housing Units: | 20 | 100% |
| Single-Family Units: | 20 | 100.00% |
| Multi-Family Units: | 0 | 0.00% |
| Other Units: | 0 | 0% |
| Total Housing Units: | 20 | 100% |
ZIP Code 57439 is designated for PO Box delivery only; business establishment and employment data are not available.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 28Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 0Source: CBP |
| 1st Quarter Payroll: | $0Source: CBP |
| Annual Payroll: | $0Source: CBP |
| # of Employees: | 0Source: CBP |
ZIP Code 57439 is located in Brown County, South Dakota, within the Aberdeen, SD Metropolitan Statistical Area (CBSA 10100). This Micro area has a population of 40,602 people, about 0.10% of whom live in ZIP Code 57439. It covers 0.399 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Aberdeen, SDSource: Census |
| CBSA Number: | 10100Source: Census |
| CBSA Type: | MicroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 40,602Source: Census |
| MSA: | Source: Census |
| Land Area: | 0.399 sq miSource: Census |
| Water Area: | --Source: Census |
| Congressional District: | No DistrictsSource: USPS |
| Congressional Land Area: | sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 4621380Source: Census |
| Place Name: | Ferney CDP; South DakotaSource: Census |
We could not locate which school district 57439 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on March 1, 2026.