Blue Island, IL vs Round Lake Park, IL

Blue Island is moderately more affordable than Round Lake Park, with a 7.4% lower cost of living index. Blue Island scores 82 compared to 89 for Round Lake Park, where the US average is 100. This difference means residents of Round Lake Park can expect to pay noticeably more for everyday expenses, housing, and services.

On the housing front, median rent in Blue Island is $1,071/month compared to $1,320/month in Round Lake Park — a 19% difference. Interestingly, home values tell a different story: while Blue Island has cheaper rent, Round Lake Park actually has lower median home values ($157,900 vs $169,800).

Median household income in Blue Island is $60,965 compared to $57,486 in Round Lake Park (+6.1%). Blue Island offers a double advantage: higher earnings combined with a lower cost of living, giving residents significantly more purchasing power. Looking at affordability, residents of Blue Island spend roughly 21.1% of their income on rent, less than the 27.6% in Round Lake Park.