Alcester, SD ZIP code
The ZIP code for Alcester, South Dakota is 57001. It is in Union County.
- Population in these ZIPs
- 1,540
- Avg. median income
- $69,500population-weighted
- Typical home value
- $288,800population-weighted
- Metro area
- Sioux City, IA-NE-SD
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Alcester, SD ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 57001 | 1,540 | $69,531 | $288,800 |
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 Alcester
Frequently asked questions
What is the ZIP code for Alcester, SD?
The ZIP code for Alcester, SD is 57001.
What county is Alcester, South Dakota in?
Alcester ZIP codes are in Union County.