Fairmount is located in Grant county Indiana with a geographic area of 1.6 square miles. The total population in Fairmount is 2,671 with 51.9% male and 48.1% female. Children under age 5 represent 7.6% of the population, under age 18 equal 27.8% of the population and over age 65 is 16.0% of the population. The median household income is $41,439, per capita income is $18,984. There are a total of 1,116 housing units with 64.3% owner occupied. Education includes 40.3% of residents that are high school graduates and 7.0% with a bachelor's degree or higher. The average temperature in Fairmount in the summer is 73 degrees, and in the winter 29 degrees.