Round Lake, IL vs Tinley Park, IL

Round Lake, IL and Tinley Park, IL have a very similar cost of living, with only a 3.1% difference in their overall index. Round Lake scores 102 while Tinley Park scores 106 on the cost of living index, where 100 represents the national average. The day-to-day expenses for residents in both cities are comparable, though differences emerge when looking at specific categories.

On the housing front, median rent in Round Lake is $1,494/month compared to $1,518/month in Tinley Park — a 2% difference. Home values follow the same pattern: Round Lake is more affordable at $257,400 median vs $289,000.

Median household income in Round Lake is $108,965 compared to $103,819 in Tinley Park (+5%). 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 Round Lake spend roughly 16.5% of their income on rent, less than the 17.5% in Tinley Park.

Climate-wise, Tinley Park is notably warmer with an average of 52.1°F compared to 48.3°F in Round Lake. Round Lake receives more rainfall at 35.3" per year compared to 34.4" in Tinley Park.