Centralia, IL vs St. Charles, IL

The cost of living difference between Centralia, IL and St. Charles, IL is dramatic. Centralia is 47.3% cheaper than St. Charles, a gap that translates to thousands of dollars per year in household expenses. Centralia has a cost index of 63 while St. Charles sits at 120, 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 Centralia is $775/month compared to $1,788/month in St. Charles — a 57% difference. Home values follow the same pattern: Centralia is more affordable at $81,600 median vs $369,700.

Median household income in Centralia is $47,308 compared to $115,350 in St. Charles (-59%). While St. Charles is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Centralia spend roughly 19.7% of their income on rent, more than the 18.6% in St. Charles.