Oak Brook, IL vs Roselle, IL

The cost of living difference between Oak Brook, IL and Roselle, IL is dramatic. Roselle is 82.3% cheaper than Oak Brook, a gap that translates to thousands of dollars per year in household expenses. Oak Brook has a cost index of 196 while Roselle sits at 107, 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 Oak Brook is $2,921/month compared to $1,496/month in Roselle — a 95% difference. Home values follow the same pattern: Roselle is more affordable at $318,000 median vs $867,900.

Median household income in Oak Brook is $171,123 compared to $109,118 in Roselle (+56.8%). The higher salaries in Oak Brook partially offset the cost difference, but don't fully close the gap. Looking at affordability, residents of Oak Brook spend roughly 20.5% of their income on rent, more than the 16.5% in Roselle.

Climate-wise, both cities share similar average temperatures (52.1°F vs 51.3°F). Roselle receives more rainfall at 37.9" per year compared to 34.4" in Oak Brook.