Columbia, IL vs Green Oaks, IL

The cost of living difference between Columbia, IL and Green Oaks, IL is dramatic. Columbia is 30.1% cheaper than Green Oaks, a gap that translates to thousands of dollars per year in household expenses. Columbia has a cost index of 90 while Green Oaks sits at 129, 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 Columbia is $1,089/month compared to $1,300/month in Green Oaks — a 16% difference. Home values follow the same pattern: Columbia is more affordable at $290,100 median vs $653,500.

Median household income in Columbia is $107,922 compared to $133,472 in Green Oaks (-19.1%). The higher salaries in Green Oaks partially offset the cost difference, but don't fully close the gap. Looking at affordability, residents of Columbia spend roughly 12.1% of their income on rent, more than the 11.7% in Green Oaks.