Hyde County, South Dakota ZIP codes
3 ZIP codes are in Hyde County, plus 2 that cross in from neighboring counties.
- ZIP codes
- 3
- Population in these ZIPs
- 1,177
- Avg. median income
- $75,700population-weighted
- Cities & towns
- 3
Loading map…
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Hyde County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 57345 | Highmore | 941 | $75,735 | $171,900 |
| 57346 | Stephan | 13 | — | — |
| 57540 | Holabird | 223 | — | $258,300 |
ZIP codes partly in Hyde County
These ZIP codes are mostly in a neighboring county but cover part of Hyde County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 57371 | Ree Heights | Hand County | 238 | $74,196 | — |
| 57564 | Onida | Sully County | 962 | $74,297 | $240,900 |
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 Hyde County
Nearby counties
Frequently asked questions
How many ZIP codes are in Hyde County, South Dakota?
3 ZIP codes are mainly in Hyde County, and 2 more ZIP codes from neighboring areas reach partly into it.
What cities are in Hyde County?
ZIP codes in Hyde County use the city names Highmore, Holabird and Stephan.