Erwin, SD ZIP Codes
One ZIP code serves Erwin, South Dakota: 57233. Together they are home to 350 residents in 57 households. That is more than the 105 people counted inside Erwin town limits, because these ZIP codes reach past its boundary.
Erwin town limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 105 |
| Households | 22 |
| Median household income | $86,250 |
| Median home value | not published |
| Median age | 19.9 |
| Median rent | not published |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 350 |
| Households (sum of ZIP codes) | 57 |
| Median household income, range across ZIP codes | $82,917 (57233) to $82,917 (57233) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $82,917 |
| Homeowners | 86.0% |
| Households with kids under 18 | 61.4% |
| Moved in the past year | 2.6% |
| Carrier routes in EDDM2GO's route library | not loaded yet |
Every ZIP code in Erwin
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 57233 | Erwin | 350 | 57 | $82,917 | — | 86.0% | 61.4% | 2.6% | — | — | 1% of its land; mailing city |
A ZIP code is listed for Erwin when at least 10% of its land lies inside Erwin town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Erwin. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Erwin.
Counties
- Kingsbury County — 9 ZIP codes
Price a mailing to Erwin ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Erwin, SD?
- 57233. A ZIP code is listed for Erwin when at least 10% of its land lies inside Erwin town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Erwin.
- What is the population of Erwin, SD?
- The Census Bureau counts 105 residents inside Erwin town limits (ACS 2020–2024). The 1 ZIP code that serve Erwin hold 350 residents in all.
- What is the median household income in Erwin, SD?
- $86,250 inside Erwin town limits, per the Census Bureau. Across its ZIP codes the medians run from $82,917 to $82,917.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.