Campbell county is located in South dakota with a geographic area of 771.3 square miles. The total population in Campbell county is 1,458 with 54.2% male and 45.8% female. Children under age 5 represent 4.7% of the population, under age 18 equal 20.7% of the population and over age 65 is 25.2% of the population. The median household income is $54,228, per capita income is $32,029. There are a total of 699 housing units with 82.5% owner occupied. Education includes 31.0% of residents that are high school graduates and 28.3% with a bachelor's degree or higher. The average temperature in Campbell county in the summer is 70 degrees, and in the winter 16 degrees.