Hardy is located in Humboldt county Iowa with a geographic area of 0.5 square miles. The total population in Hardy is 57 with 14.0% male and 86.0% female. Children under age 5 represent 0.0% of the population, under age 18 equal 68.4% of the population and over age 65 is 3.5% of the population. The median household income is $2,500, per capita income is $6,054. There are a total of 15 housing units with 100.0% owner occupied. Education includes 66.7% of residents that are high school graduates and 13.3% with a bachelor's degree or higher. The average temperature in Hardy in the summer is 71 degrees, and in the winter 23 degrees.