Isanti is located in Isanti county Minnesota with a geographic area of 5.1 square miles. The total population in Isanti is 6,016 with 49.6% male and 50.4% female. Children under age 5 represent 9.3% of the population, under age 18 equal 31.4% of the population and over age 65 is 8.2% of the population. The median household income is $73,580, per capita income is $30,761. There are a total of 2,234 housing units with 76.2% owner occupied. Education includes 31.5% of residents that are high school graduates and 16.0% with a bachelor's degree or higher. The average temperature in Isanti in the summer is 68 degrees, and in the winter 9 degrees.