Knollwood, IL vs Spring Valley, IL

The cost of living difference between Knollwood, IL and Spring Valley, IL is dramatic. Spring Valley is 58.9% cheaper than Knollwood, a gap that translates to thousands of dollars per year in household expenses. Knollwood has a cost index of 119 while Spring Valley sits at 75, 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 $1,022/month in Spring Valley — a 70% difference. Home values follow the same pattern: Spring Valley is more affordable at $125,000 median vs $372,500.

Median household income in Knollwood is $133,452 compared to $63,964 in Spring Valley (+108.6%). 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 19.2% in Spring Valley.

Climate-wise, both cities share similar average temperatures (48.3°F vs 47.8°F). Spring Valley receives more rainfall at 37.4" per year compared to 35.3" in Knollwood.