North Dakota in United States with a geographic area of 70,699.4 square miles. The total population in North Dakota is 760,394 with 51.2% male and 48.8% female. Children under age 5 represent 7.0% of the population, under age 18 equal 23.4% of the population and over age 65 is 15.3% of the population. The median household income is $65,315, per capita income is $36,289. There are a total of 320,873 housing units with 62.5% owner occupied. Education includes 24.8% of residents that are high school graduates and 31.5% with a bachelor's degree or higher. The average temperature in North Dakota in the summer is 67 degrees, and in the winter 12 degrees.