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> South Dakota > Yankton County
| County : | Yankton County |
| State : | South Dakota (SD) |
| Land Area : | 521.16 sq mi |
| Water Area : | 11.05 sq mi |
| Latitude : | 43.0066072 |
| Longitude : | -97.3883388 |
| Population (2010): | 22,438 |
| Population Estimate (2012) : | 22,434 |
| Population Density : | 43.05/sq mi |
| Housing Units (2012) : | 9,652 |
| Median Household Income (2012) : | $53,589 (South Dakota : $49,091, USA : $53,046) |
| Median Family Income (2012) : | $68,347 (South Dakota : $62,967, USA : $64,585) |
| Median House Price (2012) : | $122,700 (South Dakota : $129,800, USA : $181,400) |
Yankton County Cities / Towns
| Gayville Town (407) | Irene City (420) | Lesterville Town (127) |
| Mission Hill Town (177) | Utica Town (65) | Volin Town (161) |
| Yankton City (14,454) |
Yankton County Zip Codes
| 57031 (741) | 57037 (819) | 57040 (389) |
| 57045 (996) | 57046 (626) | 57063 (1,006) |
| 57067 (537) | 57070 (1,387) | 57072 (584) |
| 57078 (19,121) |