Alpena Map
Alpena (pronounced al-PEE'-nuh) is a town in Jerauld County, South Dakota, United States. The population was 286 at the 2010 census.
Alpena is located at 44°10?55?N 98°22?03?W / 44.181843°N 98.367539°W / 44.181843; -98.367539.
According to the United States Census Bureau, the town has a total area of 1.6 square miles (4.3 km2), all of it land.
Nearby cities include Woonsocket, Huron, Wolsey.