Mount Prospect, IL vs Round Lake, IL

Round Lake is moderately more affordable than Mount Prospect, with a 8.4% lower cost of living index. Mount Prospect scores 111 compared to 102 for Round Lake, where the US average is 100. This difference means residents of Mount Prospect can expect to pay noticeably more for everyday expenses, housing, and services.

On the housing front, median rent in Mount Prospect is $1,454/month compared to $1,494/month in Round Lake — a 3% difference. Interestingly, home values tell a different story: while Mount Prospect has cheaper rent, Round Lake actually has lower median home values ($257,400 vs $377,000).

Median household income in Mount Prospect is $103,911 compared to $108,965 in Round Lake (-4.6%). Round Lake offers a double advantage: higher earnings combined with a lower cost of living, giving residents significantly more purchasing power. Looking at affordability, residents of Mount Prospect spend roughly 16.8% of their income on rent, more than the 16.5% in Round Lake.

Climate-wise, both cities share similar average temperatures (50.8°F vs 48.3°F). Round Lake receives more rainfall at 35.3" per year compared to 32.3" in Mount Prospect.