Walworth County, South Dakota ZIP codes
4 ZIP codes are in Walworth County, plus 3 that cross in from neighboring counties.
- ZIP codes
- 4
- Population in these ZIPs
- 1,925
- Avg. median income
- $57,300population-weighted
- Cities & towns
- 4
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ZIP codes in Walworth County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 57420 | Akaska | 260 | $40,469 | $79,000 |
| 57452 | Java | 136 | $53,571 | $80,700 |
| 57472 | Selby | 1,165 | $61,708 | $133,100 |
| 57631 | Glenham | 364 | $56,827 | $225,500 |
ZIP codes partly in Walworth County
These ZIP codes are mostly in a neighboring county but cover part of Walworth County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 57428 | Bowdle | Edmunds County | 567 | $64,375 | $143,800 |
| 57450 | Hoven | Potter County | 624 | $86,833 | $133,900 |
| 57601 | Mobridge | Dewey County | 3,422 | $66,003 | $129,000 |
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 and towns in Walworth County
Nearby counties
Frequently asked questions
How many ZIP codes are in Walworth County, South Dakota?
4 ZIP codes are mainly in Walworth County, and 3 more ZIP codes from neighboring areas reach partly into it.
What cities are in Walworth County?
ZIP codes in Walworth County use the city names Akaska, Glenham, Java and Selby.