Green lake is located in Green lake county Wisconsin with a geographic area of 1.9 square miles. The total population in Green lake is 873 with 50.2% male and 49.8% female. Children under age 5 represent 4.6% of the population, under age 18 equal 12.1% of the population and over age 65 is 21.6% of the population. The median household income is $43,036, per capita income is $35,704. There are a total of 437 housing units with 61.8% owner occupied. Education includes 24.5% of residents that are high school graduates and 32.5% with a bachelor's degree or higher. The average temperature in Green lake in the summer is 66 degrees, and in the winter 17 degrees.