Viborg is located in Turner county South dakota with a geographic area of 0.5 square miles. The total population in Viborg is 793 with 45.4% male and 54.6% female. Children under age 5 represent 4.4% of the population, under age 18 equal 16.6% of the population and over age 65 is 30.0% of the population. The median household income is $42,202, per capita income is $28,335. There are a total of 377 housing units with 55.4% owner occupied. Education includes 18.8% of residents that are high school graduates and 35.0% with a bachelor's degree or higher. The average temperature in Viborg in the summer is 72 degrees, and in the winter 15 degrees.