Boulder Hill, IL vs Gillespie, IL

The cost of living difference between Boulder Hill, IL and Gillespie, IL is dramatic. Gillespie is 70.6% cheaper than Boulder Hill, a gap that translates to thousands of dollars per year in household expenses. Boulder Hill has a cost index of 108 while Gillespie 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 Boulder Hill is $1,759/month compared to $756/month in Gillespie — a 133% difference. Home values follow the same pattern: Gillespie is more affordable at $89,500 median vs $233,100.

Median household income in Boulder Hill is $76,935 compared to $76,806 in Gillespie (+0.2%). Boulder Hill 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 Boulder Hill spend roughly 27.4% of their income on rent, more than the 11.8% in Gillespie.