Oakbrook Terrace, IL vs South Beloit, IL

The cost of living difference between Oakbrook Terrace, IL and South Beloit, IL is dramatic. South Beloit is 61.1% cheaper than Oakbrook Terrace, a gap that translates to thousands of dollars per year in household expenses. Oakbrook Terrace has a cost index of 117 while South Beloit sits at 73, 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 Oakbrook Terrace is $1,830/month compared to $925/month in South Beloit — a 98% difference. Home values follow the same pattern: South Beloit is more affordable at $160,800 median vs $315,600.

Median household income in Oakbrook Terrace is $70,586 compared to $81,836 in South Beloit (-13.7%). South Beloit offers a double advantage: higher earnings combined with a lower cost of living, giving residents significantly more purchasing power. Looking at affordability, residents of Oakbrook Terrace spend roughly 31.1% of their income on rent, more than the 13.6% in South Beloit. The South Beloit ratio exceeds the commonly recommended 30% threshold, which can put pressure on household budgets.

Climate-wise, both cities share similar average temperatures (51.3°F vs 49.4°F). Oakbrook Terrace receives more rainfall at 37.9" per year compared to 37.2" in South Beloit.