O'Fallon, IL vs Troy, IL

Troy is moderately more affordable than O'Fallon, with a 12.2% lower cost of living index. O'Fallon scores 96 compared to 85 for Troy, where the US average is 100. This difference means residents of O'Fallon can expect to pay noticeably more for everyday expenses, housing, and services.

On the housing front, median rent in O'Fallon is $1,312/month compared to $1,060/month in Troy — a 24% difference. Home values follow the same pattern: Troy is more affordable at $240,800 median vs $274,100.

Median household income in O'Fallon is $102,793 compared to $97,825 in Troy (+5.1%). O'Fallon 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 O'Fallon spend roughly 15.3% of their income on rent, more than the 13% in Troy.

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