Caldwell, NJ vs South Plainfield, NJ

South Plainfield is moderately more affordable than Caldwell, with a 7.5% lower cost of living index. Caldwell scores 144 compared to 134 for South Plainfield, where the US average is 100. This difference means residents of Caldwell can expect to pay noticeably more for everyday expenses, housing, and services.

On the housing front, median rent in Caldwell is $1,937/month compared to $1,928/month in South Plainfield — a 1% difference. Home values follow the same pattern: South Plainfield is more affordable at $443,900 median vs $563,000.

Median household income in Caldwell is $101,196 compared to $126,063 in South Plainfield (-19.7%). South Plainfield offers a double advantage: higher earnings combined with a lower cost of living, giving residents significantly more purchasing power. Looking at affordability, residents of Caldwell spend roughly 23% of their income on rent, more than the 18.4% in South Plainfield.