Ortonville is located in Big stone county Minnesota with a geographic area of 4.2 square miles. The total population in Ortonville is 2,017 with 50.7% male and 49.3% female. Children under age 5 represent 3.7% of the population, under age 18 equal 17.5% of the population and over age 65 is 28.4% of the population. The median household income is $46,250, per capita income is $26,877. There are a total of 1,025 housing units with 58.8% owner occupied. Education includes 36.3% of residents that are high school graduates and 18.0% with a bachelor's degree or higher. The average temperature in Ortonville in the summer is 70 degrees, and in the winter 9 degrees.