Fall River County, SD ZIP codes
Fall River County, SD has 5 ZIP codes, in 5 towns: 57747, 57735, 57763, 57766 and 57782.
The county seat is Hot Springs.
- ZIP codes
- 5
- Towns
- 5
- County seat
- Hot Springs
- County FIPS
46047- State
- South Dakota
- Population
- 7,258
- Median household income
- $67,917
- Land area
- 1,740 sq mi
Fall River County ZIP codes by town
- Hot Springs (county seat)
- 57747
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of Fall River County ZIP codes
The ZIP codes of Fall River County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Fall River County in numbers
About 7,258 people live in Fall River County, in 3,632 households, the 25th most populous of South Dakota's 66 counties. The median household income is $67,917 a year, 10% below the South Dakota median of $75,081 (US: $80,734). The median owner-occupied home is valued at $193,200 (25% below the South Dakota median), and median gross rent is $931 a month. The median age is 55.3; 29.4% of adults 25 and over hold a bachelor's degree or higher (31.9% across South Dakota); the average commute takes 19 minutes.
| Population | 7,258 |
|---|---|
| Households | 3,632 |
| Median age | 55.3 |
| Median household income | $67,917 |
| Median home value | $193,200 |
| Median gross rent | $931 |
| Bachelor's degree or higher | 29.4% |
| Mean commute | 19.4 min |
| Population density | 4 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Fall River County
| Town | ZIP codes | Population |
|---|---|---|
| Hot Springs | 1 | 3,548 |
| Edgemont | 1 | 860 |
| Oelrichs | 1 | 198 |
| Oral | 1 | 55 |
| Smithwick | 1 | 25 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Fall River County.
- Oglala Lakota County (8)
- Custer County (4)
- Dawes County, NE (3)
- Sheridan County, NE (6)
- Sioux County, NE (5)
Not sure you are in Fall River County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Fall River County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
57735 | Edgemont , SD | Standard | 1,727 | $71,576 | $165,600 |
57747 | Hot Springs , SD | Standard | 5,839 | $68,443 | $221,000 |
57763 | Oelrichs , SD | Standard | 356 | $74,318 | $122,700 |
57766 | Oral , SD | Standard | 176 | $96,146 | — |
57782 | Smithwick , SD | Standard | 58 | $65,500 | $270,500 |
Cite this page
zipcodes.pro. “Fall River County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/sd/county/fall-river
Underlying data is public domain or openly licensed — sources, vintages and licences.