Yankton County, South Dakota ZIP Codes
- ZIP records
7 - Cities represented
7 - Sum of listed ZIP population estimates
23,618
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 57078 | Yankton | 20,383 |
| 2 | 57037 | Irene | 925 |
| 3 | 57031 | Gayville | 784 |
| 4 | 57046 | Mission Hill | 521 |
| 5 | 57072 | Volin | 435 |
| 6 | 57067 | Utica | 348 |
| 7 | 57040 | Lesterville | 222 |
Cities in Yankton County
ZIP Directory
Browse all ZIP data for South Dakota
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.