| Place Name | Yankton |
| Place Type | City |
| ZIP Code(s) | 57078 |
| County | Yankton County |
| Area Code(s) | 605 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 14,430 |
| Population Growth Rate (2010-19) | 6.62% |
| Majority Ethnicity | White 87.49% |
| Metro/Micro Stats Area | Yankton, SD |
| US Congressional District(s) | South Dakota At-Large |
| State House Districts | 18 |
| State Senate Districts | 18 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 87.49% |
| African American | 1.83% |
| Hispanic | 4.4% |
| Asian | 0.2% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 6.08% |