Calumet City, IL vs Decatur, IL

The cost of living difference between Calumet City, IL and Decatur, IL is dramatic. Decatur is 30.2% cheaper than Calumet City, a gap that translates to thousands of dollars per year in household expenses. Calumet City has a cost index of 81 while Decatur sits at 62, 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 Calumet City is $1,138/month compared to $796/month in Decatur — a 43% difference. Home values follow the same pattern: Decatur is more affordable at $97,300 median vs $133,600.

Median household income in Calumet City is $53,991 compared to $50,809 in Decatur (+6.3%). Calumet City does offer higher incomes, but the salary premium barely offsets the higher cost of living, leaving residents with a tighter budget. Looking at affordability, residents of Calumet City spend roughly 25.3% of their income on rent, more than the 18.8% in Decatur.