Sandborn is located in Knox county Indiana with a geographic area of 0.4 square miles. The total population in Sandborn is 316 with 47.5% male and 52.5% female. Children under age 5 represent 1.9% of the population, under age 18 equal 16.5% of the population and over age 65 is 22.8% of the population. The median household income is $62,500, per capita income is $35,307. There are a total of 158 housing units with 80.4% owner occupied. Education includes 31.6% of residents that are high school graduates and 15.8% with a bachelor's degree or higher. The average temperature in Sandborn in the summer is 73 degrees, and in the winter 29 degrees.