Rolla is located in Rolette county North dakota with a geographic area of 1.5 square miles. The total population in Rolla is 1,409 with 52.6% male and 47.4% female. Children under age 5 represent 13.6% of the population, under age 18 equal 45.5% of the population and over age 65 is 14.1% of the population. The median household income is $59,125, per capita income is $24,127. There are a total of 430 housing units with 57.9% owner occupied. Education includes 20.7% of residents that are high school graduates and 26.7% with a bachelor's degree or higher. The average temperature in Rolla in the summer is 63 degrees, and in the winter 10 degrees.