Mount Vernon, IL vs South Barrington, IL

The cost of living difference between Mount Vernon, IL and South Barrington, IL is dramatic. Mount Vernon is 61.1% cheaper than South Barrington, a gap that translates to thousands of dollars per year in household expenses. Mount Vernon has a cost index of 68 while South Barrington sits at 175, 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 Mount Vernon is $893/month compared to $1,917/month in South Barrington — a 53% difference. Home values follow the same pattern: Mount Vernon is more affordable at $89,700 median vs $986,300.

Median household income in Mount Vernon is $52,751 compared to $211,083 in South Barrington (-75%). While South Barrington is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Mount Vernon spend roughly 20.3% of their income on rent, more than the 10.9% in South Barrington.

Climate-wise, Mount Vernon is notably warmer with an average of 56.4°F compared to 49.7°F in South Barrington. Mount Vernon receives more rainfall at 44" per year compared to 33.2" in South Barrington.