Lake Catherine, IL vs Rock Island Arsenal, IL

Lake Catherine is moderately more affordable than Rock Island Arsenal, with a 5.8% lower cost of living index. Lake Catherine scores 93 compared to 99 for Rock Island Arsenal, where the US average is 100. This difference means residents of Rock Island Arsenal can expect to pay noticeably more for everyday expenses, housing, and services.

Renters will find that Lake Catherine has a median rent of $1,250/month while Rock Island Arsenal comes in at $1,408/month, a 11% difference.

Median household income in Lake Catherine is $94,821 compared to $53,472 in Rock Island Arsenal (+77.3%). Lake Catherine offers a double advantage: higher earnings combined with a lower cost of living, giving residents significantly more purchasing power. Looking at affordability, residents of Lake Catherine spend roughly 15.8% of their income on rent, less than the 31.6% in Rock Island Arsenal. The Lake Catherine ratio exceeds the commonly recommended 30% threshold, which can put pressure on household budgets.

Climate-wise, both cities share similar average temperatures (49.2°F vs 51.2°F). Rock Island Arsenal receives more rainfall at 38.3" per year compared to 31.9" in Lake Catherine.