Cost of Living in Williamstown, NJ
Overall index: 91 (100 = US national average). Data source: US Census ACS 2023 & BLS OEWS 2025, 2025.
Overall Cost of Living Index
Cost Breakdown by Category
| Category | Index | vs US avg | Sample cost |
|---|---|---|---|
| Housing | 73 | -27% | $883 |
| Transportation | 104 | +4% | $3.50 |
| Food | 117 | +17% | $480 |
| Utilities | 87 | -13% | $131 |
| Healthcare | 87 | -13% | $95 |
Index 100 = US national average. Higher = more expensive.
Cost breakdown (visual)
Salary Calculator: What do you need to earn in Williamstown?
A single adult living comfortably in Williamstown, NJ needs approximately $31,850 / year after taxes.
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Frequently Asked Questions
What is the cost of living in Williamstown, NJ?
The overall cost of living in Williamstown, NJ is 9% lower than the US national average (index: 91 where 100 = national average).
How much is rent in Williamstown, NJ?
Average rent for a 1-bedroom apartment in Williamstown, NJ is about $883/month.
Is Williamstown, NJ expensive to live in?
Costs in Williamstown, NJ are roughly in line with the national average.
What salary do I need to live in Williamstown, NJ?
A single adult needs roughly $31,850/year to cover basic living costs in Williamstown, NJ.