Greenwich township is located in Cumberland County, New Jersey. Greenwich township has a 2026 population of 5,101. Greenwich township is currently growing at a rate of 0.67% annually and its population has increased by 3.74% since the most recent census, which recorded a population of 4,917 in 2020.
The median household income in Greenwich township is $92,128 with a poverty rate of 5.75%. The median age in Greenwich township is 46.2 years: 41 years for males, and 51.2 years for females. For every 100 females there are 108.2 males.
Data after 2023 is projected based on recent change
Overall: 46.2 years
Female: 51.2 years
Male: 41 years
There are 4,047 adults, (1,227 of whom are seniors) in Greenwich township.
Female: 2,394 (48%)
Male: 2,590 (52%)
The racial composition of Greenwich township includes 82.5% White, 6.58% other race, 5.82% Black or African American, and smaller percentages for Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 4,112 | 82.5% |
| Other race | 328 | 6.58% |
| Black or African American | 290 | 5.82% |
| Two or more races | 210 | 4.21% |
| Asian | 32 | 0.64% |
| Native American | 12 | 0.24% |
Greenwich township 's average per capita income is $65,379. Household income levels show a median of $92,128. The poverty rate stands at 5.75%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $112,284 | - |
| Families | $108,099 | $132,149 |
| Households | $92,128 | $112,893 |
| Non Families | $49,250 | $67,631 |
Average Income
Median Household Income
Poverty Rate