Butler is located in Johnson county Tennessee with a geographic area of 0.8 square miles. The total population in Butler is 391 with 45.5% male and 54.5% female. Children under age 5 represent 6.1% of the population, under age 18 equal 28.4% of the population and over age 65 is 20.2% of the population. The median household income is $29,600, per capita income is $14,505. There are a total of 174 housing units with 58.6% owner occupied. Education includes 44.8% of residents that are high school graduates and 0.0% with a bachelor's degree or higher. The average temperature in Butler in the summer is 77 degrees, and in the winter 38 degrees.