Effingham, IL vs St. Charles, IL

The cost of living difference between Effingham, IL and St. Charles, IL is dramatic. Effingham is 43.2% cheaper than St. Charles, a gap that translates to thousands of dollars per year in household expenses. Effingham has a cost index of 68 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 Effingham is $696/month compared to $1,788/month in St. Charles — a 61% difference. Home values follow the same pattern: Effingham is more affordable at $166,700 median vs $369,700.

Median household income in Effingham is $65,718 compared to $115,350 in St. Charles (-43%). The higher salaries in St. Charles partially offset the cost difference, but don't fully close the gap. Looking at affordability, residents of Effingham spend roughly 12.7% of their income on rent, less than the 18.6% in St. Charles.

Climate-wise, Effingham is notably warmer with an average of 53.4°F compared to 49.7°F in St. Charles. Effingham receives more rainfall at 36" per year compared to 33.2" in St. Charles.