D+
11%
Overall NAT. AVG.
7%
Groceries NAT. AVG.
12%
Housing NAT. AVG.
Date & Last Updated: These cost of living estimates reflect 2026 modeled data using U.S. Census housing inputs and AI-assisted city-level pricing models.
The cost of living index is based on a national average of 100. For example, if the cost of living score is 90, then the estimated cost of living is 10% lower than the national average. If the score is 110, then the estimated cost of living is 10% higher than average. The overall index is calculated using weighted estimates across major everyday expense categories, including housing (30%), groceries (16%), transportation (12%), healthcare (10%), utilities (8%), lifestyle and entertainment (8%), household expenses (8%), and education and childcare (8%). All values are AI-assisted city-level estimates designed for directional comparisons.
Index Williamstown New Jersey National
Cost of living111125100
Groceries107108100
Health care109112100
Housing112157100
Transportation112114100
Utilities114111100
Lifestyle & Entertainment113113100
Household Items110107100
Education & Childcare114120100
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An Overview of Cost of Living in Williamstown, NJ

Getting a feel for the cost of living in Williamstown is essential for anyone planning to relocate, as it empowers them to make informed financial decisions, secure a comfortable lifestyle and maintain financial stability in their new environment. The cost of living in Williamstown is 111, which is 11% higher than the national average. Relocating individuals may need to adjust their savings and investment strategies based on the cost of living in the new location. It influences decisions about retirement planning, investments and financial goals.

Recurring household expenses such as cleaning supplies, laundry detergent, toiletries, and kitchen basics are a steady part of monthly spending and make up 8% of the cost of living index. In Williamstown, these everyday items will cost you 10.2% more than average, making it a slightly more expensive place to call home.

Is Williamstown Affordable?

Is Williamstown an affordable place to live? That's a valid question to ask when you're thinking about moving to a new city. After all, how much it costs to live somewhere can be a huge factor in your decision. Affordability can be broken down into 3 common categories. The cost of living index (we talked about it earlier), housing expenses and income levels all play a big role in figuring out if a place is affordable. For instance, in Williamstown, the median home price is 15.8% higher than what most folks pay across the country, and monthly rent prices are 4.6% higher than the usual rates. Income levels in Williamstown come in at $125,545, which is 54.4% higher than the national average.

What Factors can Influence the Cost of Living in Williamstown?

Subsidies: Certain regions may provide government subsidies or assistance initiatives designed to alleviate the cost of living burden on their residents. These programs encompass a wide range of support mechanisms, such as Medicare, Medicaid, housing subsidies, low-income home energy assistance programs, school lunch programs, supplemental nutrition assistance programs, student loans, electric vehicle tax credits, affordable care act subsidies and farming subsidies. Areas with fewer subsidy offerings might experience an elevation in their cost of living.

Groceries: Grocery prices have seen substantial hikes in the last 2-3 years, with some markets witnessing food cost increases of over 20% during this period. Conversely, certain markets have experienced only moderate upticks. These variations in food expenses can have a substantial impact on the overall cost of living in any locality. In Williamstown, the groceries index is 7.1% higher than the national average.

Utilities: As with the prices of anything else, utility costs can exhibit significant variations, contingent on factors like climate, energy source availability, geographic location and state regulations. The expenses associated with electricity, water, heating, and waste disposal can fluctuate, either upward or downward, depending on the particular city or state. In Williamstown, the utilities index registers 13.9% higher than the national average.

Where is the Data From?

The Williamstown cost of living data displayed above uses a U.S. average baseline of 100 to provide a practical way to compare living expenses across cities. Housing estimates incorporate U.S. Census home price and rental data, while all other values are generated using AI-assisted models based on everyday expense expectations, regional pricing trends, climate, transportation patterns, and local economic conditions. These values are designed for directional city-to-city comparisons.

Cost Of Living Quick Facts

  • The cost of living in Williamstown is 11% lower than the New Jersey average
  • The cost of living in Williamstown is 11% higher than the national average
  • Williamstown housing is 12% higher than the national average
  • New Jersey general sales tax is 30% higher than the national average
  • New Jersey state income tax is 46% lower than the national average

Most Affordable Places to Live in and Around Williamstown

See all the best places to live around Williamstown

Compare Williamstown, NJ Cost of Living

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      Educare index

      Median Income & Debt-To-Income Ratio

      Median Income Per Year Per Month Max Budget (28% DTI) Max Budget (36% DTI)
      Owners$149,317$12,443$3,484$4,480
      Renters$45,281$3,773$1,056$1,359
      The percentage of monthly income spent on housing related expenses can help predict the affordability of housing in Williamstown, NJ, as well as what the overall cost of living might be. Generally, a good rule to follow is that the debt-to-income (DTI) level you want to maintain is 28 percent or less of your income on your rent or mortgage payments and not more than 36 percent of income on all expenses and debts. In Williamstown, homeowners have a median income of $149,317. Using that number, a maximum of $3,484 per month should be allocated to housing expenses. For those who are renting instead of owning, the median income is $45,281, which means there is a maximum of $1,056 to be spent on the costs of renting a home or apartment.

      New Jersey Sales Tax

      State General Sales Tax With Max Surtax
      New Jersey 6.625% 12.625%

      New Jersey Income Tax

      State Income Tax (Low) Income Tax (High)
      New Jersey 1.4% 10.75%

      Nearby cities with low cost of living

      City Population Cost of Living Index National Avg.
      Tavistock, NJ511110.6%
      Pine Valley, NJ1111110.6%
      Audubon Park, NJ1,003927.9%
      Seabrook Farms, NJ1,6451010.7%
      Elwood, NJ1,2751011.3%
      Williamstown, NJ14,48011111.4%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      Forrest City, AR14,4748515.3%
      Broadlands, VA14,48616464.3%
      New Franklin, OH14,489936.9%
      Kings Park West, VA14,48915958.7%
      Artondale, WA14,46914948.9%
      Williamstown, NJ14,48011111.4%
      Date & Last Updated: These cost of living estimates reflect 2026 modeled data using U.S. Census housing inputs and AI-assisted city-level pricing models.