Warner is located in Brown county South dakota with a geographic area of 0.3 square miles. The total population in Warner is 500 with 58.4% male and 41.6% female. Children under age 5 represent 13.0% of the population, under age 18 equal 31.4% of the population and over age 65 is 8.8% of the population. The median household income is $97,321, per capita income is $32,440. There are a total of 173 housing units with 90.2% owner occupied. Education includes 17.9% of residents that are high school graduates and 34.7% with a bachelor's degree or higher. The average temperature in Warner in the summer is 70 degrees, and in the winter 15 degrees.