Oak Brook, IL vs Savanna, IL

The cost of living difference between Oak Brook, IL and Savanna, IL is dramatic. Savanna is 208.9% 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 Savanna sits at 63, 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 $777/month in Savanna — a 276% difference. Home values follow the same pattern: Savanna is more affordable at $75,000 median vs $867,900.

Median household income in Oak Brook is $171,123 compared to $46,094 in Savanna (+271.2%). 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, more than the 20.2% in Savanna.

Climate-wise, Oak Brook is notably warmer with an average of 52.1°F compared to 47.2°F in Savanna. Savanna receives more rainfall at 38.2" per year compared to 34.4" in Oak Brook.