Webster is located in Day county South dakota with a geographic area of 1.6 square miles. The total population in Webster is 1,681 with 49.4% male and 50.6% female. Children under age 5 represent 4.6% of the population, under age 18 equal 18.7% of the population and over age 65 is 27.1% of the population. The median household income is $40,707, per capita income is $28,578. There are a total of 886 housing units with 65.0% owner occupied. Education includes 36.8% of residents that are high school graduates and 19.3% with a bachelor's degree or higher. The average temperature in Webster in the summer is 69 degrees, and in the winter 15 degrees.