Greenwich Flag

Greenwich

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. For every 100 females there are 187.5 males.

209
Total Population
249
Density (mi²)
14 7.18%
Growth

Greenwich Population

Greenwich Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Greenwich includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

White (100%)

Race
Population
Percentage (of total)
White161100%

Greenwich Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

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)