Cassoday is located in Butler county Kansas with a geographic area of 0.3 square miles. The total population in Cassoday is 136 with 50.0% male and 50.0% female. Children under age 5 represent 0.0% of the population, under age 18 equal 23.5% of the population and over age 65 is 14.7% of the population. The median household income is $63,750, per capita income is $28,231. There are a total of 55 housing units with 89.1% owner occupied. Education includes 32.7% of residents that are high school graduates and 29.1% with a bachelor's degree or higher. The average temperature in Cassoday in the summer is 76 degrees, and in the winter 32 degrees.