Knollwood, IL vs Wilmington, IL

The cost of living difference between Knollwood, IL and Wilmington, IL is dramatic. Wilmington is 47.2% cheaper than Knollwood, a gap that translates to thousands of dollars per year in household expenses. Knollwood has a cost index of 119 while Wilmington sits at 81, 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 Knollwood is $1,733/month compared to $897/month in Wilmington — a 93% difference. Home values follow the same pattern: Wilmington is more affordable at $216,400 median vs $372,500.

Median household income in Knollwood is $133,452 compared to $63,514 in Wilmington (+110.1%). While Knollwood is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Knollwood spend roughly 15.6% of their income on rent, less than the 16.9% in Wilmington.

Climate-wise, both cities share similar average temperatures (48.3°F vs 49.4°F). Knollwood receives more rainfall at 35.3" per year compared to 33.8" in Wilmington.