Cost of Living in Williamstown, NJ

With a cost of living index of 95, Williamstown, NJ is slightly more affordable than average. Living here is 5% cheaper than the national average and 33% below the New Jersey state average of 128. Williamstown is a smaller community of 14,855 residents, where everyday costs can differ substantially from nearby larger cities.

Housing costs are the biggest factor in Williamstown's cost of living. The median monthly rent is $1,262 (4% below the US median of $1,319), and the median home value sits at $255,000 (16% below the national median of $304,900). At current prices, the median home costs roughly 2.9x the median household income — well within traditional affordability guidelines.

The median household income in Williamstown is $87,021, which is 16% higher than the national median of $75,149. Residents spend roughly 17% of household income on rent. This is a comfortable ratio, well below the 30% threshold that financial experts recommend as a maximum.

Everyday prices in the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD (Metropolitan Statistical Area) metro area are generally below the national average. Out of 6 common items tracked by the Bureau of Labor Statistics, 5 are priced lower than the US average. These real-world prices — from groceries to electricity — add up and should be factored into any cost of living comparison.

Data sources: US Census Bureau (ACS 2023), Zillow Home Values, HUD Fair Market Rents, BEA Regional Price Parities, BLS Average Prices, and NOAA Climate Normals. Updated monthly.