Lake Forest, IL vs Winthrop Harbor, IL

The cost of living difference between Lake Forest, IL and Winthrop Harbor, IL is dramatic. Winthrop Harbor is 86.5% cheaper than Lake Forest, a gap that translates to thousands of dollars per year in household expenses. Lake Forest has a cost index of 175 while Winthrop Harbor sits at 94, 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 Lake Forest is $2,120/month compared to $1,262/month in Winthrop Harbor — a 68% difference. Home values follow the same pattern: Winthrop Harbor is more affordable at $238,800 median vs $909,800.

Median household income in Lake Forest is $228,120 compared to $94,221 in Winthrop Harbor (+142.1%). While Lake Forest is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Lake Forest spend roughly 11.2% of their income on rent, less than the 16.1% in Winthrop Harbor.

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