Grenola is located in Elk county Kansas with a geographic area of 0.5 square miles. The total population in Grenola is 180 with 44.4% male and 55.6% female. Children under age 5 represent 7.2% of the population, under age 18 equal 20.6% of the population and over age 65 is 37.2% of the population. The median household income is $44,167, per capita income is $23,254. There are a total of 84 housing units with 89.3% owner occupied. Education includes 32.1% of residents that are high school graduates and 22.6% with a bachelor's degree or higher. The average temperature in Grenola in the summer is 78 degrees, and in the winter 32 degrees.