Lewisville is located in Henry county Indiana with a geographic area of 0.3 square miles. The total population in Lewisville is 398 with 46.0% male and 54.0% female. Children under age 5 represent 4.5% of the population, under age 18 equal 24.4% of the population and over age 65 is 9.3% of the population. The median household income is $46,667, per capita income is $21,294. There are a total of 158 housing units with 77.2% owner occupied. Education includes 36.1% of residents that are high school graduates and 19.6% with a bachelor's degree or higher. The average temperature in Lewisville in the summer is 73 degrees, and in the winter 29 degrees.