Harrison, IL vs Oakbrook Terrace, IL

The cost of living difference between Harrison, IL and Oakbrook Terrace, IL is dramatic. Harrison is 44.4% cheaper than Oakbrook Terrace, a gap that translates to thousands of dollars per year in household expenses. Harrison has a cost index of 65 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 Harrison is $695/month compared to $1,830/month in Oakbrook Terrace — a 62% difference. Home values follow the same pattern: Harrison is more affordable at $128,600 median vs $315,600.

Median household income in Harrison is $75,417 compared to $70,586 in Oakbrook Terrace (+6.8%). Harrison offers a double advantage: higher earnings combined with a lower cost of living, giving residents significantly more purchasing power. Looking at affordability, residents of Harrison spend roughly 11.1% of their income on rent, less than the 31.1% in Oakbrook Terrace. The Harrison ratio exceeds the commonly recommended 30% threshold, which can put pressure on household budgets.

Climate-wise, Harrison is notably warmer with an average of 56.4°F compared to 51.3°F in Oakbrook Terrace. Harrison receives more rainfall at 44" per year compared to 37.9" in Oakbrook Terrace.