Greenwich

County:: Cumberland County
County Seat:: No
Area (mi²):: 0.839
State:: New Jersey

Greenwich is a CDP located in Cumberland County, New Jersey. Greenwich has a 2025 population of 209. Greenwich is currently growing at a rate of 7.18% annually and its population has increased by 57.14% since the most recent census, which recorded a population of 133 in 2020.

The average household income in Greenwich is $124,324 with a poverty rate of 0%. The median age in Greenwich is 40.3 years: 32.8 years for males, and 49.5 years for females.

Demographics

The racial composition of Greenwich includes 100% White, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race, Two or more races and multiracial populations.

Population by Race

White

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Two or more races

Race	Population	Percentage (of total)
White	161	100%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%
Two or more races	0	0%

Greenwich Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Greenwich's average per capita income is $62,813. Household income levels show a median of $127,813. The poverty rate stands at 0%.

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
Families	$132,083	$143,293
Married Families	$132,083	-
Households	$127,813	$124,324
Non Families	$49,583	$68,771

$62,813

Average Income

$127,813

Median Household Income

0%

Poverty Rate