Jasper is located in Rock county Minnesota with a geographic area of 1.0 square miles. The total population in Jasper is 671 with 45.8% male and 54.2% female. Children under age 5 represent 2.5% of the population, under age 18 equal 20.9% of the population and over age 65 is 20.6% of the population. The median household income is $42,273, per capita income is $21,639. There are a total of 316 housing units with 79.4% owner occupied. Education includes 43.0% of residents that are high school graduates and 13.9% with a bachelor's degree or higher. The average temperature in Jasper in the summer is 69 degrees, and in the winter 9 degrees.