Somerville, MA vs Westfield, MA

The cost of living difference between Somerville, MA and Westfield, MA is dramatic. Westfield is 106.2% cheaper than Somerville, a gap that translates to thousands of dollars per year in household expenses. Somerville has a cost index of 187 while Westfield sits at 91, 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 Somerville is $2,468/month compared to $1,064/month in Westfield — a 132% difference. Home values follow the same pattern: Westfield is more affordable at $295,500 median vs $899,400.

Median household income in Somerville is $127,056 compared to $82,847 in Westfield (+53.4%). The higher salaries in Somerville partially offset the cost difference, but don't fully close the gap. Looking at affordability, residents of Somerville spend roughly 23.3% of their income on rent, more than the 15.4% in Westfield.

Climate-wise, both cities share similar average temperatures (51.9°F vs 49.4°F). Westfield receives more rainfall at 45.2" per year compared to 43.6" in Somerville.