Butler is located in Dekalb county Indiana with a geographic area of 2.0 square miles. The total population in Butler is 2,889 with 45.8% male and 54.2% female. Children under age 5 represent 8.2% of the population, under age 18 equal 28.6% of the population and over age 65 is 10.7% of the population. The median household income is $57,543, per capita income is $22,120. There are a total of 971 housing units with 70.2% owner occupied. Education includes 41.7% of residents that are high school graduates and 13.5% with a bachelor's degree or higher. The average temperature in Butler in the summer is 73 degrees, and in the winter 29 degrees.