What is the cost of living in Williamstown, NJ?
According to the most recent data on the cost of living, Williamstown has an overall cost of living index of 112, which is 1.1x higher than the national index of 100.
Compared to New Jersey, Williamstown has a cost of living index that's 0.9x lower than New Jersey's index of 125.
The standard of living in Williamstown ranks as #35 most affordable out of the 262 places we measured in New Jersey. By definition, that implies Williamstown ranks as the #227 most expensive place in the Garden State.
For more reading on life in Williamstown, check out:
Williamstown Cost Of Living Vs. New Jersey
Six factors go into calculating the cost of living index in Williamstown. Here is how it fares on each of the criteria:
The Services index in Williamstown is 109.
The Groceries index in Williamstown is 109.
The Health index in Williamstown is 113.
The Housing index in Williamstown is 112.
The Transportation index in Williamstown is 116.
The Utilities index in Williamstown is 114.
| Living Expense | Williamstown | New Jersey | National Average |
|---|---|---|---|
| Overall | 112 | 125 | 100 |
| Services | 109 | 107 | 100 |
| Groceries | 109 | 113 | 100 |
| Health | 113 | 155 | 100 |
| Housing | 112 | 116 | 100 |
| Transportation | 116 | 112 | 100 |
| Utilities | 114 | 113 | 100 |
Williamstown Cost Of Living Compared To New Jersey Averages
Index where 100 = national average. Source: cost-of-living index 2026.
For more reading on cost of living around New Jersey, check out:
Protect your home budget Compare home warranties in Williamstown Get matched →Source: Cost-of-living index 2026, normalized to US average = 100
Williamstown, NJ Housing Cost Breakdown
Housing swings affordability the most between places in New Jersey, so we broke down housing costs into more detail. Home and income data comes from the most recent US Census ACS 2020-2024. The key points are:
The Median Home Value in Williamstown is $367,602.
The Median Rent in Williamstown is $1,266.
The Median Income in Williamstown is $89,414.
The Home Value To Income in Williamstown is 4.1x.
The Rent To Monthly Income in Williamstown is 0.17x.
| Statistic | Williamstown | New Jersey | United States |
|---|---|---|---|
| Median Home Value | $367,602 | $569,411 | $332,700 |
| Median Rent | $1,266 | $1,720 | $1,413 |
| Median Income | $89,414 | $103,556 | $80,734 |
| Home Value To Income | 4.1x | 5.5x | 4.1x |
| Rent To Monthly Income | 0.17x | 0.2x | 0.21x |
Williamstown, NJ Costs By Category
Detailed Williamstown Services costs vs. New Jersey
| Item | Williamstown | New Jersey |
|---|---|---|
| Shampoo | $1.52 | $1.28 |
| Movie | $13.75 | $12.13 |
| Bowling | $19.47 | $18 |
| Haircut | $23.54 | $24.26 |
| Beauty Salon | $66.27 | $45.56 |
Detailed Williamstown Groceries costs vs. New Jersey
| Item | Williamstown | New Jersey |
|---|---|---|
| Ground Beef | $5.76 | $5.84 |
| Fried Chicken | $1.46 | $1.57 |
| Milk | $4.67 | $4.67 |
| Potatoes | $5.37 | $4.93 |
| Pizza | $11.73 | $12.09 |
| Beer | $11.99 | $10.41 |
| Toothpaste | $3.65 | $3.7 |
Detailed Williamstown Health costs vs. New Jersey
| Item | Williamstown | New Jersey |
|---|---|---|
| Optometrist | $123.5 | $125.68 |
| Doctor | $132.56 | $135.78 |
| Dentist | $103.31 | $113.29 |
Detailed Williamstown Transportation costs vs. New Jersey
| Item | Williamstown | New Jersey |
|---|---|---|
| Gasoline | $3.53 | $3.46 |
| Tire Balancing | $70.89 | $59.92 |
Detailed Williamstown Utilities costs vs. New Jersey
| Item | Williamstown | New Jersey |
|---|---|---|
| All Electricity | $222.45 | $193.99 |
| Phone | $198.27 | $192.25 |
Williamstown SnackAbility
Cost Of Living In Cities Around Williamstown
The cost of living varies in the cities and towns around Williamstown. Here's a quick look at the cost of living in the most populous nearby places:
Glassboro, NJ has a cost of living index of 115, 1.0x Williamstown.
Springdale, NJ has a cost of living index of 125, 1.1x Williamstown.
Cherry Hill Mall, NJ has a cost of living index of 122, 1.1x Williamstown.
| City | Population | Cost Of Living | Vs. Williamstown |
|---|---|---|---|
| Glassboro, NJ | 23,717 | 115 | 1.0x |
| Springdale, NJ | 15,173 | 125 | 1.1x |
| Cherry Hill Mall, NJ | 14,541 | 122 | 1.1x |
| Greentree, NJ | 11,537 | 135 | 1.2x |
| Marlton, NJ | 10,922 | 118 | 1.1x |
| Pine Hill, NJ | 10,802 | 103 | 0.9x |
| Ashland, NJ | 9,320 | 122 | 1.1x |
| Clayton, NJ | 8,921 | 110 | 1.0x |
| Pitman, NJ | 8,856 | 113 | 1.0x |
| Audubon, NJ | 8,730 | 112 | 1.0x |








