Cahokia Heights, IL vs Plainfield, IL

The cost of living difference between Cahokia Heights, IL and Plainfield, IL is dramatic. Cahokia Heights is 46.5% cheaper than Plainfield, a gap that translates to thousands of dollars per year in household expenses. Cahokia Heights has a cost index of 67 while Plainfield sits at 126, making this one of the more striking comparisons on our site. Relocating between these cities would require a serious reassessment of budget and lifestyle expectations.

On the housing front, median rent in Cahokia Heights is $959/month compared to $1,889/month in Plainfield — a 49% difference. Home values follow the same pattern: Cahokia Heights is more affordable at $56,900 median vs $398,000.

Median household income in Cahokia Heights is $37,975 compared to $142,265 in Plainfield (-73.3%). While Plainfield is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Cahokia Heights spend roughly 30.3% of their income on rent, more than the 15.9% in Plainfield. The Plainfield ratio exceeds the commonly recommended 30% threshold, which can put pressure on household budgets.