Dupuyer is located in Pondera county Montana with a geographic area of 4.6 square miles. The total population in Dupuyer is 100 with 42.0% male and 58.0% female. Children under age 5 represent 0.0% of the population, under age 18 equal 0.0% of the population and over age 65 is 73.0% of the population. The median household income is $47,500, per capita income is $26,883. There are a total of 42 housing units with 90.5% owner occupied. Education includes 38.1% of residents that are high school graduates and 14.3% with a bachelor's degree or higher. The average temperature in Dupuyer in the summer is 69 degrees, and in the winter 27 degrees.