Romeoville, IL vs Springfield, IL

The cost of living difference between Romeoville, IL and Springfield, IL is dramatic. Springfield is 55% cheaper than Romeoville, a gap that translates to thousands of dollars per year in household expenses. Romeoville has a cost index of 113 while Springfield 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 Romeoville is $1,892/month compared to $945/month in Springfield — a 100% difference. Home values follow the same pattern: Springfield is more affordable at $155,200 median vs $245,200.

Median household income in Romeoville is $100,022 compared to $65,537 in Springfield (+52.6%). The higher salaries in Romeoville partially offset the cost difference, but don't fully close the gap. Looking at affordability, residents of Romeoville spend roughly 22.7% of their income on rent, more than the 17.3% in Springfield.

Climate-wise, both cities share similar average temperatures (52.1°F vs 54°F). Springfield receives more rainfall at 38" per year compared to 34.4" in Romeoville.