O'Fallon, IL vs Waterloo, IL

There is a significant gap in the cost of living between these two cities. Waterloo is 20.6% cheaper than O'Fallon. With a cost index of 79 vs 96, the difference would have a meaningful impact on a household's monthly budget. Someone relocating from Waterloo to O'Fallon should plan for substantially higher expenses across most categories.

On the housing front, median rent in O'Fallon is $1,312/month compared to $873/month in Waterloo — a 50% difference. Home values follow the same pattern: Waterloo is more affordable at $237,900 median vs $274,100.

Median household income in O'Fallon is $102,793 compared to $92,005 in Waterloo (+11.7%). The higher salaries in O'Fallon partially offset the cost difference, but don't fully close the gap. Looking at affordability, residents of O'Fallon spend roughly 15.3% of their income on rent, more than the 11.4% in Waterloo.

Climate-wise, both cities share similar average temperatures (57.7°F vs 56.5°F). O'Fallon receives more rainfall at 43.4" per year compared to 40.8" in Waterloo.