Dayton is located in Lyon county Nevada with a geographic area of 34.9 square miles. The total population in Dayton is 14,258 with 50.2% male and 49.8% female. Children under age 5 represent 7.4% of the population, under age 18 equal 22.0% of the population and over age 65 is 18.8% of the population. The median household income is $71,918, per capita income is $32,564. There are a total of 5,323 housing units with 76.9% owner occupied. Education includes 22.8% of residents that are high school graduates and 19.1% with a bachelor's degree or higher. The average temperature in Dayton in the summer is 84 degrees, and in the winter 48 degrees.