Interior, SD ZIP Codes
One ZIP code serves Interior, South Dakota: 57750. Together they are home to 365 residents in 115 households. That is more than the 77 people counted inside Interior town limits, because these ZIP codes reach past its boundary.
Interior town limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 77 |
| Households | 27 |
| Median household income | not published |
| Median home value | $137,500 |
| Median age | 46.1 |
| Median rent | not published |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 365 |
| Households (sum of ZIP codes) | 115 |
| Median household income, range across ZIP codes | not published |
| Household-weighted average of ZIP medians (an approximation, not a true median) | not published |
| Homeowners | 45.2% |
| Households with kids under 18 | 49.6% |
| Moved in the past year | 0.0% |
| Carrier routes in EDDM2GO's route library | 3 routes, 79 homes (1 of 1 ZIP codes) |
Every ZIP code in Interior
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 57750 | Interior | 365 | 115 | — | $175,000 | 45.2% | 49.6% | 0.0% | 3 | 80 | 0% of its land; mailing city |
A ZIP code is listed for Interior when at least 10% of its land lies inside Interior town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Interior. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Interior.
Counties
- Jackson County — 9 ZIP codes
Price a mailing to Interior ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Interior, SD?
- 57750. A ZIP code is listed for Interior when at least 10% of its land lies inside Interior town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Interior.
- What is the population of Interior, SD?
- The Census Bureau counts 77 residents inside Interior town limits (ACS 2020–2024). The 1 ZIP code that serve Interior hold 365 residents in all.
- How many carrier routes and mailboxes are in Interior, SD?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 3 carrier routes reaching 79 residential and 1 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.