Fairmont is located in Garfield county Oklahoma with a geographic area of 0.2 square miles. The total population in Fairmont is 169 with 50.9% male and 49.1% female. Children under age 5 represent 3.0% of the population, under age 18 equal 18.3% of the population and over age 65 is 21.9% of the population. The median household income is $68,750, per capita income is $26,238. There are a total of 67 housing units with 91.0% owner occupied. Education includes 26.9% of residents that are high school graduates and 16.4% with a bachelor's degree or higher. The average temperature in Fairmont in the summer is 80 degrees, and in the winter 42 degrees.