Herndon is located in Rawlins county Kansas with a geographic area of 0.3 square miles. The total population in Herndon is 150 with 50.0% male and 50.0% female. Children under age 5 represent 6.7% of the population, under age 18 equal 13.3% of the population and over age 65 is 42.0% of the population. The median household income is $33,125, per capita income is $31,271. There are a total of 95 housing units with 77.9% owner occupied. Education includes 66.3% of residents that are high school graduates and 7.4% with a bachelor's degree or higher. The average temperature in Herndon in the summer is 74 degrees, and in the winter 32 degrees.