Yankton County, South Dakota ZIP codes
7 ZIP codes are in Yankton County, plus 3 that cross in from neighboring counties. It's part of the Yankton, SD micro area.
- ZIP codes
- 7
- Population in these ZIPs
- 23,618
- Avg. median income
- $72,300population-weighted
- Cities & towns
- 7
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Yankton County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 57031 | Gayville | 784 | $64,794 | $137,100 |
| 57037 | Irene | 925 | $72,250 | $283,900 |
| 57040 | Lesterville | 222 | $72,250 | $151,400 |
| 57046 | Mission Hill | 521 | $88,583 | $227,600 |
| 57067 | Utica | 348 | $102,941 | $326,900 |
| 57072 | Volin | 435 | $91,750 | $319,200 |
| 57078 | Yankton | 20,383 | $71,268 | $276,700 |
ZIP codes partly in Yankton County
These ZIP codes are mostly in a neighboring county but cover part of Yankton County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 57045 | Menno | Hutchinson County | 1,151 | $76,042 | $117,900 |
| 57063 | Tabor | Bon Homme County | 882 | $92,500 | $212,300 |
| 57070 | Viborg | Turner County | 1,469 | $61,522 | $249,800 |
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 and towns in Yankton County
Nearby counties
Frequently asked questions
How many ZIP codes are in Yankton County, South Dakota?
7 ZIP codes are mainly in Yankton County, and 3 more ZIP codes from neighboring areas reach partly into it.
What cities are in Yankton County?
ZIP codes in Yankton County use the city names Gayville, Irene, Lesterville, Mission Hill, Utica, Volin and Yankton.
What metro area is Yankton County in?
Yankton County is part of the Yankton, SD micropolitan statistical area.