Oak Brook, IL vs Oakbrook Terrace, IL

The cost of living difference between Oak Brook, IL and Oakbrook Terrace, IL is dramatic. Oakbrook Terrace is 66.8% 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 Oakbrook Terrace sits at 117, 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 $1,830/month in Oakbrook Terrace — a 60% difference. Home values follow the same pattern: Oakbrook Terrace is more affordable at $315,600 median vs $867,900.

Median household income in Oak Brook is $171,123 compared to $70,586 in Oakbrook Terrace (+142.4%). While Oak Brook is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Oak Brook spend roughly 20.5% of their income on rent, less than the 31.1% in Oakbrook Terrace. The Oak Brook ratio exceeds the commonly recommended 30% threshold, which can put pressure on household budgets.

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