Champaign, IL vs Decatur, IL

The cost of living difference between Champaign, IL and Decatur, IL is dramatic. Decatur is 30.6% cheaper than Champaign, a gap that translates to thousands of dollars per year in household expenses. Champaign has a cost index of 82 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 Champaign is $1,103/month compared to $796/month in Decatur — a 39% difference. Home values follow the same pattern: Decatur is more affordable at $97,300 median vs $199,700.

Median household income in Champaign is $57,544 compared to $50,809 in Decatur (+13.3%). Champaign 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 Champaign spend roughly 23% of their income on rent, more than the 18.8% in Decatur.