Kearny, NJ vs Williamstown, NJ

The cost of living difference between Kearny, NJ and Williamstown, NJ is dramatic. Williamstown is 31.4% cheaper than Kearny, a gap that translates to thousands of dollars per year in household expenses. Kearny has a cost index of 125 while Williamstown sits at 95, 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 Kearny is $1,649/month compared to $1,262/month in Williamstown — a 31% difference. Home values follow the same pattern: Williamstown is more affordable at $255,000 median vs $431,700.

Median household income in Kearny is $83,212 compared to $87,021 in Williamstown (-4.4%). Williamstown offers a double advantage: higher earnings combined with a lower cost of living, giving residents significantly more purchasing power. Looking at affordability, residents of Kearny spend roughly 23.8% of their income on rent, more than the 17.4% in Williamstown.