Fairmont is located in Fillmore county Nebraska with a geographic area of 1.2 square miles. The total population in Fairmont is 750 with 51.6% male and 48.4% female. Children under age 5 represent 7.1% of the population, under age 18 equal 16.8% of the population and over age 65 is 34.4% of the population. The median household income is $49,063, per capita income is $28,022. There are a total of 324 housing units with 76.9% owner occupied. Education includes 44.4% of residents that are high school graduates and 11.4% with a bachelor's degree or higher. The average temperature in Fairmont in the summer is 72 degrees, and in the winter 26 degrees.