Romeoville, IL vs Swansea, IL

The cost of living difference between Romeoville, IL and Swansea, IL is dramatic. Swansea is 31.3% cheaper than Romeoville, a gap that translates to thousands of dollars per year in household expenses. Romeoville has a cost index of 113 while Swansea sits at 86, 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 Romeoville is $1,892/month compared to $1,178/month in Swansea — a 61% difference. Home values follow the same pattern: Swansea is more affordable at $211,700 median vs $245,200.

Median household income in Romeoville is $100,022 compared to $84,367 in Swansea (+18.6%). The higher salaries in Romeoville partially offset the cost difference, but don't fully close the gap. Looking at affordability, residents of Romeoville spend roughly 22.7% of their income on rent, more than the 16.8% in Swansea.

Climate-wise, Swansea is notably warmer with an average of 57.7°F compared to 52.1°F in Romeoville. Swansea receives more rainfall at 43.4" per year compared to 34.4" in Romeoville.