County Yankton is located in the state of South Dakota. Yankton is spread between the coordinates of +42.8898556 Latitude and -97.17695752 Longitude. Yankton has 8 zip codes, 15 cities, 1 area code and 9 post offices.
Below you will find more info about Yankton and also zip codes, cities, area codes and the post offices that belong to this county.