Blue Island, IL vs Mount Prospect, IL

There is a significant gap in the cost of living between these two cities. Blue Island is 25.8% cheaper than Mount Prospect. With a cost index of 82 vs 111, the difference would have a meaningful impact on a household's monthly budget. Someone relocating from Blue Island to Mount Prospect should plan for substantially higher expenses across most categories.

On the housing front, median rent in Blue Island is $1,071/month compared to $1,454/month in Mount Prospect — a 26% difference. Home values follow the same pattern: Blue Island is more affordable at $169,800 median vs $377,000.

Median household income in Blue Island is $60,965 compared to $103,911 in Mount Prospect (-41.3%). While Mount Prospect is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Blue Island spend roughly 21.1% of their income on rent, more than the 16.8% in Mount Prospect.