Shell lake is located in Washburn county Wisconsin with a geographic area of 5.8 square miles. The total population in Shell lake is 1,405 with 41.5% male and 58.5% female. Children under age 5 represent 6.2% of the population, under age 18 equal 27.1% of the population and over age 65 is 27.0% of the population. The median household income is $43,750, per capita income is $24,852. There are a total of 565 housing units with 71.3% owner occupied. Education includes 23.9% of residents that are high school graduates and 24.1% with a bachelor's degree or higher. The average temperature in Shell lake in the summer is 67 degrees, and in the winter 17 degrees.