Andover, MA vs Williamstown, MA

The cost of living difference between Andover, MA and Williamstown, MA is dramatic. Williamstown is 32.5% cheaper than Andover, a gap that translates to thousands of dollars per year in household expenses. Andover has a cost index of 141 while Williamstown sits at 106, 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 Andover is $1,422/month compared to $1,244/month in Williamstown — a 14% difference. Home values follow the same pattern: Williamstown is more affordable at $436,900 median vs $719,900.

Median household income in Andover is $127,054 compared to $82,917 in Williamstown (+53.2%). While Andover is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Andover spend roughly 13.4% of their income on rent, less than the 18% in Williamstown.

Climate-wise, Andover is notably warmer with an average of 50.1°F compared to 46.9°F in Williamstown. Williamstown receives more rainfall at 42.3" per year compared to 40.9" in Andover.