Williamstown Flag

Williamstown

County Seat:
No
Area (mi²):
7.421
State:
New Jersey

Williamstown is a CDP located in Gloucester County, New Jersey. Williamstown has a 2026 population of 14,691. Williamstown is currently declining at a rate of -0.37% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Williamstown is $89,414 with a poverty rate of 8.26%. The median age in Williamstown is 42.7 years: 41.5 years for males, and 43.8 years for females. For every 100 females there are 82.7 males.

14.7K
Total Population
1,980
Density (mi²)
-54 -0.37%
Growth

Williamstown Population

Williamstown Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202614,691-54-0.37%
202514,745-55-0.37%

Median Age

Overall: 42.7 years
Female: 43.8 years
Male: 41.5 years

Williamstown Adults

There are 12,036 adults, (2,519 of whom are seniors) in Williamstown.

Sex Ratio

Female: 8,048 (54.7%)
Male: 6,657 (45.3%)

Demographics

The racial composition of Williamstown includes 77.4% White, 10.74% Black or African American, and smaller percentages for Asian, other race, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White11,38177.4%
Black or African American1,57910.74%
Two or more races1,4149.62%
Asian1781.21%
Other race1390.95%
Native American140.1%
Race
Population ↓
Percentage (of total)
Two or more races5073.45%
Other race1390.95%
White820.56%
Black or African American430.29%
Asian230.16%
Native American110.07%
Race
Population ↓
Percentage (of total)
White11,29976.84%
Black or African American1,53610.45%
Two or more races9076.17%
Asian1551.05%
Native American30.02%

Williamstown Marital Status

Economics and Income Statistics

Williamstown 's average per capita income is $62,516. Household income levels show a median of $89,414. The poverty rate stands at 8.26%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$126,938-
Families$119,723$140,040
Households$89,414$108,849
Non Families$49,003$53,368

$62,516

Average Income

$89,414

Median Household Income

8.26%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)