Hillsboro is located in Traill county North dakota with a geographic area of 1.1 square miles. The total population in Hillsboro is 1,627 with 49.2% male and 50.8% female. Children under age 5 represent 6.9% of the population, under age 18 equal 21.1% of the population and over age 65 is 19.9% of the population. The median household income is $61,875, per capita income is $34,676. There are a total of 763 housing units with 68.5% owner occupied. Education includes 32.6% of residents that are high school graduates and 18.5% with a bachelor's degree or higher. The average temperature in Hillsboro in the summer is 68 degrees, and in the winter 10 degrees.