Harper is located in Harper county Kansas with a geographic area of 1.6 square miles. The total population in Harper is 1,295 with 60.1% male and 39.9% female. Children under age 5 represent 2.7% of the population, under age 18 equal 21.5% of the population and over age 65 is 20.9% of the population. The median household income is $51,750, per capita income is $24,208. There are a total of 620 housing units with 63.2% owner occupied. Education includes 30.8% of residents that are high school graduates and 7.7% with a bachelor's degree or higher. The average temperature in Harper in the summer is 79 degrees, and in the winter 32 degrees.