Grand forks is located in Grand forks county North dakota with a geographic area of 27.9 square miles. The total population in Grand forks is 56,588 with 52.2% male and 47.8% female. Children under age 5 represent 6.1% of the population, under age 18 equal 19.8% of the population and over age 65 is 12.6% of the population. The median household income is $50,194, per capita income is $31,741. There are a total of 25,780 housing units with 43.9% owner occupied. Education includes 18.9% of residents that are high school graduates and 37.7% with a bachelor's degree or higher. The average temperature in Grand forks in the summer is 67 degrees, and in the winter 10 degrees.