Bonnie Brae, IL vs Carthage, IL

The cost of living difference between Bonnie Brae, IL and Carthage, IL is dramatic. Carthage is 60% cheaper than Bonnie Brae, a gap that translates to thousands of dollars per year in household expenses. Bonnie Brae has a cost index of 102 while Carthage sits at 64, 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 Bonnie Brae is $1,570/month compared to $679/month in Carthage — a 131% difference. Home values follow the same pattern: Carthage is more affordable at $115,600 median vs $224,200.

Median household income in Bonnie Brae is $76,483 compared to $75,179 in Carthage (+1.7%). Bonnie Brae 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 Bonnie Brae spend roughly 24.6% of their income on rent, more than the 10.8% in Carthage.