Fernley is located in Lyon county Nevada with a geographic area of 121.3 square miles. The total population in Fernley is 20,616 with 50.1% male and 49.9% female. Children under age 5 represent 6.2% of the population, under age 18 equal 23.5% of the population and over age 65 is 15.7% of the population. The median household income is $66,525, per capita income is $29,276. There are a total of 7,379 housing units with 68.9% owner occupied. Education includes 30.9% of residents that are high school graduates and 13.2% with a bachelor's degree or higher. The average temperature in Fernley in the summer is 71 degrees, and in the winter 48 degrees.