Champaign, IL vs O'Fallon, IL

Champaign is moderately more affordable than O'Fallon, with a 14.6% lower cost of living index. Champaign scores 82 compared to 96 for O'Fallon, 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 Champaign is $1,103/month compared to $1,312/month in O'Fallon — a 16% difference. Home values follow the same pattern: Champaign is more affordable at $199,700 median vs $274,100.

Median household income in Champaign is $57,544 compared to $102,793 in O'Fallon (-44%). While O'Fallon is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Champaign spend roughly 23% of their income on rent, more than the 15.3% in O'Fallon.