Heron lake is located in Jackson county Minnesota with a geographic area of 1.2 square miles. The total population in Heron lake is 701 with 52.4% male and 47.6% female. Children under age 5 represent 8.0% of the population, under age 18 equal 23.5% of the population and over age 65 is 18.1% of the population. The median household income is $69,375, per capita income is $30,778. There are a total of 316 housing units with 79.7% owner occupied. Education includes 34.2% of residents that are high school graduates and 20.3% with a bachelor's degree or higher. The average temperature in Heron lake in the summer is 70 degrees, and in the winter 9 degrees.