Agar is a town in Sully County, South Dakota. It has a total area of 0.2 square miles, all of which is land. The town celebrated its centennial in 2010.
Manufacturing, construction and agriculture are the major commercial activities here. The town has a grain elevator, a livestock shelter dealer, a public golf course, and a motel-lodge, and a private golf course, and functions as a resort town along with a ranching and farming community. It has two elementary and one public high school. The closest hopital is the Holy Infant Hospital, located about 31 miles away in Hoven. The cost of living here is 15.00% lower than the country average.
This place gets about 19 inches of rain annually. The number of days with measurable precipitation is 72. Snowfall is about 35 inches annually.