Greenwich Flag

Greenwich

County Seat:
No
Area (mi²):
17.772
State:
New Jersey

Greenwich is located in Cumberland County, New Jersey. Greenwich has a 2025 population of 765. Greenwich is currently growing at a rate of 0.13% annually but its population has decreased by -0.13% since the most recent census, which recorded a population of 766 in 2020.

The average household income in Greenwich is $108,103 with a poverty rate of 7.2%. The median age in Greenwich is 49.5 years: 49.2 years for males, and 51 years for females.

765
Total Population
43
Density (mi²)
1 0.13%
Growth

Greenwich Population

Greenwich Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Greenwich includes 88.18% White, and smaller percentages for Black or African American, Native American, Asian and multiracial populations.

Population by Race

White (88.2%)

Two or more races (8.4%)

Black or African American (2.2%)

Native American (0.7%)

Asian (0.5%)

Race
Population
Percentage (of total)
White64988.18%
Two or more races628.42%
Black or African American162.17%
Native American50.68%
Asian40.54%

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 $64,500. Household income levels show a median of $87,000. The poverty rate stands at 7.2%.

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$108,125-
Families$102,045$125,539
Households$87,000$108,103
Non Families$54,250$62,264

$64,500

Average Income

$87,000

Median Household Income

7.2%

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)