Clayton, NJ vs South Plainfield, NJ

The cost of living difference between Clayton, NJ and South Plainfield, NJ is dramatic. Clayton is 31.2% cheaper than South Plainfield, a gap that translates to thousands of dollars per year in household expenses. Clayton has a cost index of 92 while South Plainfield sits at 134, 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 Clayton is $1,204/month compared to $1,928/month in South Plainfield — a 38% difference. Home values follow the same pattern: Clayton is more affordable at $244,800 median vs $443,900.

Median household income in Clayton is $89,375 compared to $126,063 in South Plainfield (-29.1%). The higher salaries in South Plainfield partially offset the cost difference, but don't fully close the gap. Looking at affordability, residents of Clayton spend roughly 16.2% of their income on rent, less than the 18.4% in South Plainfield.