Lisle, IL vs Round Lake Park, IL

The cost of living difference between Lisle, IL and Round Lake Park, IL is dramatic. Round Lake Park is 30.5% cheaper than Lisle, a gap that translates to thousands of dollars per year in household expenses. Lisle has a cost index of 116 while Round Lake Park sits at 89, 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 Lisle is $1,540/month compared to $1,320/month in Round Lake Park — a 17% difference. Home values follow the same pattern: Round Lake Park is more affordable at $157,900 median vs $407,000.

Median household income in Lisle is $106,173 compared to $57,486 in Round Lake Park (+84.7%). While Lisle is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Lisle spend roughly 17.4% of their income on rent, less than the 27.6% in Round Lake Park.

Climate-wise, both cities share similar average temperatures (49.7°F vs 48.3°F). Round Lake Park receives more rainfall at 35.3" per year compared to 33.2" in Lisle.