Roundup is located in Musselshell county Montana with a geographic area of 1.3 square miles. The total population in Roundup is 1,723 with 46.6% male and 53.4% female. Children under age 5 represent 2.7% of the population, under age 18 equal 18.4% of the population and over age 65 is 26.5% of the population. The median household income is $34,395, per capita income is $26,669. There are a total of 916 housing units with 65.6% owner occupied. Education includes 47.9% of residents that are high school graduates and 12.9% with a bachelor's degree or higher. The average temperature in Roundup in the summer is 68 degrees, and in the winter 27 degrees.
