Grenville, SD ZIP code
The ZIP code for Grenville, South Dakota is 57239. It is in Day County.
- Population in these ZIPs
- 358
- Avg. median income
- $106,400population-weighted
- Typical home value
- $377,300population-weighted
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Grenville, SD ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 57239 | 358 | $106,389 | $377,300 |
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 Grenville
Frequently asked questions
What is the ZIP code for Grenville, SD?
The ZIP code for Grenville, SD is 57239.
What county is Grenville, South Dakota in?
Grenville ZIP codes are in Day County.