Downers Grove, IL vs Rockford, IL

The cost of living difference between Downers Grove, IL and Rockford, IL is dramatic. Rockford is 70.5% cheaper than Downers Grove, a gap that translates to thousands of dollars per year in household expenses. Downers Grove has a cost index of 120 while Rockford sits at 70, 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 Downers Grove is $1,589/month compared to $954/month in Rockford — a 67% difference. Home values follow the same pattern: Rockford is more affordable at $120,900 median vs $439,000.

Median household income in Downers Grove is $119,649 compared to $53,328 in Rockford (+124.4%). While Downers Grove is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Downers Grove spend roughly 15.9% of their income on rent, less than the 21.5% in Rockford.