Rosemont, IL vs St. Elmo, IL

The cost of living difference between Rosemont, IL and St. Elmo, IL is dramatic. St. Elmo is 61.8% cheaper than Rosemont, a gap that translates to thousands of dollars per year in household expenses. Rosemont has a cost index of 102 while St. Elmo 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 Rosemont is $1,099/month compared to $759/month in St. Elmo — a 45% difference. Home values follow the same pattern: St. Elmo is more affordable at $80,300 median vs $403,600.

Median household income in Rosemont is $69,153 compared to $47,115 in St. Elmo (+46.8%). The higher salaries in Rosemont partially offset the cost difference, but don't fully close the gap. Looking at affordability, residents of Rosemont spend roughly 19.1% of their income on rent, less than the 19.3% in St. Elmo.

Climate-wise, both cities share similar average temperatures (51.3°F vs 53.4°F). Rosemont receives more rainfall at 37.9" per year compared to 36" in St. Elmo.