Herreid is located in Campbell county South dakota with a geographic area of 1.4 square miles. The total population in Herreid is 450 with 54.2% male and 45.8% female. Children under age 5 represent 5.8% of the population, under age 18 equal 22.0% of the population and over age 65 is 25.6% of the population. The median household income is $58,125, per capita income is $32,505. There are a total of 225 housing units with 70.2% owner occupied. Education includes 28.4% of residents that are high school graduates and 20.0% with a bachelor's degree or higher. The average temperature in Herreid in the summer is 71 degrees, and in the winter 15 degrees.