La Grange Park, IL vs Rock Island, IL

The cost of living difference between La Grange Park, IL and Rock Island, IL is dramatic. Rock Island is 73.5% cheaper than La Grange Park, a gap that translates to thousands of dollars per year in household expenses. La Grange Park has a cost index of 114 while Rock Island sits at 66, 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 La Grange Park is $1,423/month compared to $819/month in Rock Island — a 74% difference. Home values follow the same pattern: Rock Island is more affordable at $118,400 median vs $427,800.

Median household income in La Grange Park is $119,115 compared to $57,292 in Rock Island (+107.9%). While La Grange Park is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of La Grange Park spend roughly 14.3% of their income on rent, less than the 17.2% in Rock Island.

Climate-wise, both cities share similar average temperatures (52.1°F vs 51.2°F). Rock Island receives more rainfall at 38.3" per year compared to 34.4" in La Grange Park.