Rock Island, IL vs Winnetka, IL

The cost of living difference between Rock Island, IL and Winnetka, IL is dramatic. Rock Island is 65% cheaper than Winnetka, a gap that translates to thousands of dollars per year in household expenses. Rock Island has a cost index of 66 while Winnetka sits at 188, 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 Island is $819/month compared to $1,750/month in Winnetka — a 53% difference. Home values follow the same pattern: Rock Island is more affordable at $118,400 median vs $1,206,300.

Median household income in Rock Island is $57,292 compared to $250,001 in Winnetka (-77.1%). While Winnetka is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Rock Island spend roughly 17.2% of their income on rent, more than the 8.4% in Winnetka.

Climate-wise, both cities share similar average temperatures (51.2°F vs 50.8°F). Rock Island receives more rainfall at 38.3" per year compared to 32.3" in Winnetka.