Island Lake, IL vs Madison, IL

The cost of living difference between Island Lake, IL and Madison, IL is dramatic. Madison is 64.5% cheaper than Island Lake, a gap that translates to thousands of dollars per year in household expenses. Island Lake has a cost index of 112 while Madison sits at 68, making this one of the more striking comparisons on our site. Relocating between these cities would require a serious reassessment of budget and lifestyle expectations.

On the housing front, median rent in Island Lake is $1,855/month compared to $1,010/month in Madison — a 84% difference. Home values follow the same pattern: Madison is more affordable at $51,200 median vs $241,900.

Median household income in Island Lake is $98,125 compared to $44,181 in Madison (+122.1%). While Island Lake is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Island Lake spend roughly 22.7% of their income on rent, less than the 27.4% in Madison.

Climate-wise, Madison is notably warmer with an average of 56.5°F compared to 50.8°F in Island Lake. Madison receives more rainfall at 40.8" per year compared to 32.3" in Island Lake.