Dadeville is located in Dade county Missouri with a geographic area of 1.0 square miles. The total population in Dadeville is 248 with 48.8% male and 51.2% female. Children under age 5 represent 5.6% of the population, under age 18 equal 21.8% of the population and over age 65 is 23.0% of the population. The median household income is $66,607, per capita income is $28,681. There are a total of 93 housing units with 83.9% owner occupied. Education includes 37.6% of residents that are high school graduates and 18.3% with a bachelor's degree or higher. The average temperature in Dadeville in the summer is 77 degrees, and in the winter 32 degrees.