Dayton is located in Lake county Montana with a geographic area of 0.5 square miles. The total population in Dayton is 111 with 44.1% male and 55.9% female. Children under age 5 represent 8.1% of the population, under age 18 equal 8.1% of the population and over age 65 is 53.2% of the population. The median household income is $72,188, per capita income is $37,503. There are a total of 57 housing units with 68.4% owner occupied. Education includes 29.8% of residents that are high school graduates and 35.1% with a bachelor's degree or higher. The average temperature in Dayton in the summer is 69 degrees, and in the winter 27 degrees.