Rock Falls, IL vs Westmont, IL

The cost of living difference between Rock Falls, IL and Westmont, IL is dramatic. Rock Falls is 42.5% cheaper than Westmont, a gap that translates to thousands of dollars per year in household expenses. Rock Falls has a cost index of 63 while Westmont sits at 109, 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 Rock Falls is $745/month compared to $1,427/month in Westmont — a 48% difference. Home values follow the same pattern: Rock Falls is more affordable at $82,400 median vs $369,100.

Median household income in Rock Falls is $48,733 compared to $83,622 in Westmont (-41.7%). The higher salaries in Westmont partially offset the cost difference, but don't fully close the gap. Looking at affordability, residents of Rock Falls spend roughly 18.3% of their income on rent, less than the 20.5% in Westmont.

Climate-wise, both cities share similar average temperatures (49.4°F vs 52.1°F). Rock Falls receives more rainfall at 37.2" per year compared to 34.4" in Westmont.