Island Lake is located in Wisconsin. Island Lake, Wisconsin has a population of 243.
The median household income in Island Lake, Wisconsin is $60,556. The median household income for the surrounding county is $63,172 compared to the national median of $69,021. The median age of people living in Island Lake is 32.9 years.
The average high temperature in July is 80.3 degrees, with an average low temperature in January of 2.3 degrees. The average rainfall is approximately 31.6 inches per year, with 48.7 inches of snow per year.