Greenwich township Flag

Greenwich township

County Seat:
No
Area (mi²):
10.581
State:
New Jersey

Greenwich township is located in Cumberland County, New Jersey. Greenwich township has a 2026 population of 5,556. Greenwich township is currently growing at a rate of 0.25% annually and its population has increased by 1.61% since the most recent census, which recorded a population of 5,468 in 2020.

The median household income in Greenwich township is $169,079 with a poverty rate of 3.01%. The median age in Greenwich township is 40.1 years: 40.3 years for males, and 40 years for females. For every 100 females there are 95.4 males.

5.6K
Total Population
525
Density (mi²)
14 0.25%
Growth

Greenwich township Population

Greenwich township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20265,556140.25%
20255,542140.25%
20245,528140.25%
20235,514150.27%
20225,49920.04%
20215,497290.53%
20205,468-9-0.16%
20195,452-19-0.35%
20185,471-8-0.15%
20175,479-26-0.47%
20165,505-41-0.74%
20155,546-13-0.23%
20145,559-5-0.09%
20135,564-50-0.89%
20125,614-46-0.81%
20115,660-52-0.91%
20105,691-13-0.23%

Median Age

Overall: 40.1 years
Female: 40 years
Male: 40.3 years

Greenwich township Adults

There are 3,980 adults, (610 of whom are seniors) in Greenwich township.

Sex Ratio

Female: 2,821 (51.2%)
Male: 2,691 (48.8%)

Demographics

The racial composition of Greenwich township includes 69.99% White, 8.69% Black or African American, 8.69% Asian, and smaller percentages for other race, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White3,85869.99%
Two or more races61011.07%
Black or African American4798.69%
Asian4798.69%
Other race791.43%
Native American70.13%
Race
Population ↓
Percentage (of total)
Two or more races3305.99%
White1041.89%
Black or African American971.76%
Other race591.07%
Race
Population ↓
Percentage (of total)
White3,75468.11%
Asian4798.69%
Black or African American3826.93%
Two or more races2805.08%
Other race200.36%
Native American70.13%

Greenwich township Marital Status

Economics and Income Statistics

Greenwich township 's average per capita income is $96,280. Household income levels show a median of $169,079. The poverty rate stands at 3.01%.

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$178,400-
Families$173,438$196,740
Households$169,079$194,287
Non Families-$169,338

$96,280

Average Income

$169,079

Median Household Income

3.01%

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)