Alpena is a town in Jerauld County, South Dakota. It has a total area of 1.6 square miles, all of which is land.
Manufacturing, wholesale trade and agriculture are the major commercial activities here. The town has one elementary, one middle and one high school. The closest hopital is the Avera Weskota Memorial Medical Center, located about 17 miles away in Wessington Springs. The cost of living here is 18.70% lower than the country average.
This place gets about 28 inches of rain annually. The number of days with measurable precipitation is 78. Snowfall is about 35 inches annually.