Big lake is located in Sherburne county Minnesota with a geographic area of 7.0 square miles. The total population in Big lake is 11,085 with 47.8% male and 52.2% female. Children under age 5 represent 6.6% of the population, under age 18 equal 31.8% of the population and over age 65 is 5.7% of the population. The median household income is $88,569, per capita income is $34,998. There are a total of 3,521 housing units with 84.8% owner occupied. Education includes 24.1% of residents that are high school graduates and 32.7% with a bachelor's degree or higher. The average temperature in Big lake in the summer is 68 degrees, and in the winter 9 degrees.