Erwin, SD ZIP code
The ZIP code for Erwin, South Dakota is 57233. It is in Kingsbury County.
- Population in these ZIPs
- 350
- Avg. median income
- $82,900population-weighted
- Typical home value
- —population-weighted
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Erwin, SD ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 57233 | 350 | $82,917 | — |
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 near Erwin
- Bryant 7 mi
- Lake Preston 9 mi
- Badger 10 mi
- Lake Norden 12 mi
- De Smet 13 mi
- Hayti 16 mi
- Arlington 16 mi
- Willow Lake 17 mi
- Hazel 18 mi
- Vienna 18 mi
- Oldham 20 mi
- Iroquois 24 mi
Frequently asked questions
What is the ZIP code for Erwin, SD?
The ZIP code for Erwin, SD is 57233.
What county is Erwin, South Dakota in?
Erwin ZIP codes are in Kingsbury County.