Clayton is located in Hendricks county Indiana with a geographic area of 0.6 square miles. The total population in Clayton is 998 with 53.7% male and 46.3% female. Children under age 5 represent 5.2% of the population, under age 18 equal 16.7% of the population and over age 65 is 14.8% of the population. The median household income is $73,194, per capita income is $31,377. There are a total of 419 housing units with 72.8% owner occupied. Education includes 32.0% of residents that are high school graduates and 22.0% with a bachelor's degree or higher. The average temperature in Clayton in the summer is 73 degrees, and in the winter 29 degrees.