Richton Park, IL vs Sullivan, IL

The cost of living difference between Richton Park, IL and Sullivan, IL is dramatic. Sullivan is 40.9% cheaper than Richton Park, a gap that translates to thousands of dollars per year in household expenses. Richton Park has a cost index of 92 while Sullivan sits at 65, 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 Richton Park is $1,313/month compared to $790/month in Sullivan — a 66% difference. Home values follow the same pattern: Sullivan is more affordable at $95,600 median vs $200,400.

Median household income in Richton Park is $71,724 compared to $62,845 in Sullivan (+14.1%). Richton Park 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 Richton Park spend roughly 22% of their income on rent, more than the 15.1% in Sullivan.

Climate-wise, both cities share similar average temperatures (52.1°F vs 53.4°F). Sullivan receives more rainfall at 36" per year compared to 34.4" in Richton Park.