Fall River County, South Dakota ZIP codes
5 ZIP codes are in Fall River County, plus 2 that cross in from neighboring counties.
- ZIP codes
- 5
- Population in these ZIPs
- 8,156
- Avg. median income
- $69,900population-weighted
- Cities & towns
- 5
Loading map…
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Fall River County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 57735 | Edgemont | 1,727 | $71,576 | $217,200 |
| 57747 | Hot Springs | 5,839 | $68,443 | $324,600 |
| 57763 | Oelrichs | 356 | $74,318 | $122,700 |
| 57766 | Oral | 176 | $96,146 | — |
| 57782 | Smithwick | 58 | $65,500 | $270,500 |
ZIP codes partly in Fall River County
These ZIP codes are mostly in a neighboring county but cover part of Fall River County.
| ZIP code | City | State | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|---|
| 57722 | Buffalo Gap | SD | Oglala Lakota County | 177 | $59,306 | $69,200 |
| 69337 | Chadron | NE | Dawes County | 6,466 | $54,306 | $196,500 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Fall River County
Nearby counties
Frequently asked questions
How many ZIP codes are in Fall River County, South Dakota?
5 ZIP codes are mainly in Fall River County, and 2 more ZIP codes from neighboring areas reach partly into it.
What cities are in Fall River County?
ZIP codes in Fall River County use the city names Edgemont, Hot Springs, Oelrichs, Oral and Smithwick.