Crystal Lake, IL vs Peoria, IL

The cost of living difference between Crystal Lake, IL and Peoria, IL is dramatic. Peoria is 42.4% cheaper than Crystal Lake, a gap that translates to thousands of dollars per year in household expenses. Crystal Lake has a cost index of 103 while Peoria sits at 72, 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 Crystal Lake is $1,431/month compared to $951/month in Peoria — a 51% difference. Home values follow the same pattern: Peoria is more affordable at $149,500 median vs $287,400.

Median household income in Crystal Lake is $105,428 compared to $58,716 in Peoria (+79.6%). While Crystal Lake is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Crystal Lake spend roughly 16.3% of their income on rent, less than the 19.4% in Peoria.