Decatur, IL vs Glendale Heights, IL

The cost of living difference between Decatur, IL and Glendale Heights, IL is dramatic. Decatur is 39.8% cheaper than Glendale Heights, a gap that translates to thousands of dollars per year in household expenses. Decatur has a cost index of 62 while Glendale Heights sits at 104, 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 Decatur is $796/month compared to $1,562/month in Glendale Heights — a 49% difference. Home values follow the same pattern: Decatur is more affordable at $97,300 median vs $249,000.

Median household income in Decatur is $50,809 compared to $82,232 in Glendale Heights (-38.2%). The higher salaries in Glendale Heights partially offset the cost difference, but don't fully close the gap. Looking at affordability, residents of Decatur spend roughly 18.8% of their income on rent, less than the 22.8% in Glendale Heights.