Hyde County, SD ZIP Codes
3 ZIP codes cover all or part of Hyde County, South Dakota: 57345, 57540 and 57346. The Census Bureau counts 1,191 residents in the county, with a median household income of $73,472 and a median home value of $181,600. Its largest communities include Highmore and Stephan.
Hyde County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 1,191 |
| Households | 503 |
| Median household income | $73,472 |
| Median home value | $181,600 |
| Median age | 53.7 |
| Median rent | $836 |
All 3 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 1,177 |
| Households (sum of ZIP codes) | 496 |
| Median household income, range across ZIP codes | $75,735 (57345) to $75,735 (57345) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $75,735 |
| Homeowners | 83.3% |
| Households with kids under 18 | 26.0% |
| Moved in the past year | 7.1% |
| Carrier routes in EDDM2GO's route library | 2 routes, 72 homes (2 of 3 ZIP codes) |
Every ZIP code in Hyde County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 57345 | Highmore | 941 | 410 | $75,735 | $171,900 | 89.0% | 27.3% | 5.3% | — | — | 100% of its land |
| 57540 | Hyde County | 223 | 73 | — | $258,300 | 65.8% | 23.3% | 11.7% | 1 | 34 | 100% of its land |
| 57346 | Stephan | 13 | 13 | — | — | 0.0% | 0.0% | 61.5% | 1 | 40 | 100% of its land |
A ZIP code is listed for Hyde County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
Price a mailing to Hyde County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Hyde County, SD?
- 57345, 57540 and 57346. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Hyde County?
- 1,191 residents in 503 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Hyde County?
- $73,472 for the county as a whole. Its ZIP codes range from $75,735 (57345) to $75,735 (57345).
- How many carrier routes and mailboxes are in Hyde County?
- For the 2 of 3 ZIP codes in EDDM2GO's stored route library: 2 carrier routes reaching 72 residential and 2 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.