Otterbein is located in Benton county Indiana with a geographic area of 1.3 square miles. The total population in Otterbein is 1,023 with 49.3% male and 50.7% female. Children under age 5 represent 0.7% of the population, under age 18 equal 23.1% of the population and over age 65 is 19.6% of the population. The median household income is $51,250, per capita income is $24,172. There are a total of 482 housing units with 65.1% owner occupied. Education includes 28.4% of residents that are high school graduates and 15.1% with a bachelor's degree or higher. The average temperature in Otterbein in the summer is 73 degrees, and in the winter 29 degrees.