Colstrip is located in Rosebud county Montana with a geographic area of 4.0 square miles. The total population in Colstrip is 2,335 with 50.4% male and 49.6% female. Children under age 5 represent 2.6% of the population, under age 18 equal 24.0% of the population and over age 65 is 7.4% of the population. The median household income is $90,263, per capita income is $38,558. There are a total of 936 housing units with 83.7% owner occupied. Education includes 31.6% of residents that are high school graduates and 22.6% with a bachelor's degree or higher. The average temperature in Colstrip in the summer is 69 degrees, and in the winter 27 degrees.