Illiopolis, IL vs Seneca, IL

There is a significant gap in the cost of living between these two cities. Illiopolis is 27.4% cheaper than Seneca. With a cost index of 60 vs 83, the difference would have a meaningful impact on a household's monthly budget. Someone relocating from Illiopolis to Seneca should plan for substantially higher expenses across most categories.

On the housing front, median rent in Illiopolis is $675/month compared to $988/month in Seneca — a 32% difference. Home values follow the same pattern: Illiopolis is more affordable at $96,500 median vs $206,400.

Median household income in Illiopolis is $74,219 compared to $91,065 in Seneca (-18.5%). The higher salaries in Seneca partially offset the cost difference, but don't fully close the gap. Looking at affordability, residents of Illiopolis spend roughly 10.9% of their income on rent, less than the 13% in Seneca.

Climate-wise, Illiopolis is notably warmer with an average of 53.1°F compared to 49.4°F in Seneca. Illiopolis receives more rainfall at 36.4" per year compared to 33.8" in Seneca.