Island Lake is located in Wisconsin. Island Lake, Wisconsin has a population of 228.
The median household income in Island Lake, Wisconsin is $58,750. The median household income for the surrounding county is $55,240 compared to the national median of $57,652. The median age of people living in Island Lake is 35.4 years.
The average high temperature in July is 81.2 degrees, with an average low temperature in January of 3 degrees. The average rainfall is approximately 32.3 inches per year, with 48.6 inches of snow per year.