Belmar, NJ vs South River, NJ

The cost of living difference between Belmar, NJ and South River, NJ is dramatic. South River is 32.7% cheaper than Belmar, a gap that translates to thousands of dollars per year in household expenses. Belmar has a cost index of 158 while South River sits at 119, 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 Belmar is $1,832/month compared to $1,599/month in South River — a 15% difference. Home values follow the same pattern: South River is more affordable at $382,500 median vs $771,400.

Median household income in Belmar is $92,859 compared to $101,853 in South River (-8.8%). South River offers a double advantage: higher earnings combined with a lower cost of living, giving residents significantly more purchasing power. Looking at affordability, residents of Belmar spend roughly 23.7% of their income on rent, more than the 18.8% in South River.