Greenwich CDP (Warren County), NJ Demographics

A map of Greenwich CDP (Warren County)'s Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	1,267	1,454	47.3%	56.8%
Asian	450	318	16.8%	12.4%
Hispanic	410	306	15.3%	12.0%
Black	359	352	13.4%	13.8%
Multiracial	186	110	6.9%	4.3%
Native American/Other	7	18	0.3%	0.7%

Greenwich CDP (Warren County), New Jersey has an estimated population of 2,679, an increase from the 2,558 recorded in the 2020 Census. The population is 47.3% White, 16.8% Asian, 15.3% Hispanic, 13.4% Black, 6.9% Multiracial, and 0.3% Native American/Other. This demographic dot map shows the population of Greenwich CDP (Warren County), with one dot drawn for each person counted by the Census, color-coded by race.

Greenwich CDP (Warren County) has become considerably more racially diverse since the 2020 Census. It is more diverse than New Jersey overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Greenwich CDP (Warren County), that probability was 62.6% in 2020 and 70.2% in the most recent ACS estimates.

Greenwich CDP (Warren County) is ranked the 408th most populous place in New Jersey, out of 700 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Greenwich CDP (Warren County) was ranked the 412th most populous place in the 2020 Census.

Greenwich CDP (Warren County)'s White Population

1,267 residents of Greenwich CDP (Warren County), or 47.3% of the population, identify as White. The share of White residents in Greenwich CDP (Warren County) is slightly lower than in New Jersey overall, where 50.9% of the population is White. Greenwich CDP (Warren County) ranks 522nd statewide in terms of White residents as a share of the population, out of 700 places.

Since the 2020 Census, Greenwich CDP (Warren County)'s White population has declined by an estimated 12.9%. White residents' share of Greenwich CDP (Warren County)'s population has decreased from 56.8% to 47.3%.

Greenwich CDP (Warren County) is less White than neighboring Lopatcong Overlook (100% White), Upper Pohatcong (75.7% White), Upper Stewartsville (100% White), Stewartsville (83.7% White), and Alpha (81.5% White).

Greenwich CDP (Warren County)'s Black Population

359 residents of Greenwich CDP (Warren County), or 13.4% of the population, identify as Black. The share of Black residents in Greenwich CDP (Warren County) is comparable to the share in New Jersey overall, where 12.2% of the population is Black. Greenwich CDP (Warren County) ranks 83rd statewide in terms of Black residents as a share of the population, out of 700 places.

Since the 2020 Census, Greenwich CDP (Warren County)'s Black population has grown by an estimated 2.0%. Black residents' share of Greenwich CDP (Warren County)'s population has remained roughly unchanged at 13.4%.

Greenwich CDP (Warren County) is more Black than neighboring Lopatcong Overlook (0% Black), Upper Pohatcong (4.9% Black), Upper Stewartsville (0% Black), Stewartsville (0% Black), and Alpha (1.4% Black).

Greenwich CDP (Warren County)'s Asian Population

450 residents of Greenwich CDP (Warren County), or 16.8% of the population, identify as Asian. The share of Asian residents in Greenwich CDP (Warren County) is higher than in New Jersey overall, where 10% of the population is Asian. Greenwich CDP (Warren County) ranks 116th statewide in terms of Asian residents as a share of the population, out of 700 places.

Since the 2020 Census, Greenwich CDP (Warren County)'s Asian population has grown by an estimated 41.5%. Asian residents' share of Greenwich CDP (Warren County)'s population has increased from 12.4% to 16.8%.

Greenwich CDP (Warren County) is more Asian than neighboring Lopatcong Overlook (0% Asian), Upper Pohatcong (0.5% Asian), Upper Stewartsville (0% Asian), Stewartsville (0% Asian), and Alpha (1.4% Asian).

Greenwich CDP (Warren County)'s Hispanic Population

410 residents of Greenwich CDP (Warren County), or 15.3% of the population, identify as Hispanic. The share of Hispanic residents in Greenwich CDP (Warren County) is lower than in New Jersey overall, where 22.5% of the population is Hispanic. Greenwich CDP (Warren County) ranks 256th statewide in terms of Hispanic residents as a share of the population, out of 700 places.

Since the 2020 Census, Greenwich CDP (Warren County)'s Hispanic population has grown by an estimated 34.0%. Hispanic residents' share of Greenwich CDP (Warren County)'s population has increased from 12.0% to 15.3%.

Greenwich CDP (Warren County) is more Hispanic than neighboring Lopatcong Overlook (0% Hispanic), Upper Stewartsville (0% Hispanic), Stewartsville (13% Hispanic), and Alpha (9.2% Hispanic). Greenwich CDP (Warren County) is less Hispanic than neighboring Upper Pohatcong (16.7% Hispanic).

Greenwich CDP (Warren County)'s Native American/Other Population

7 residents of Greenwich CDP (Warren County), or 0.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Greenwich CDP (Warren County) is comparable to the share in New Jersey overall, where 0.9% of the population is Native American/Other. Greenwich CDP (Warren County) ranks 252nd statewide in terms of Native American/Other residents as a share of the population, out of 700 places.

Since the 2020 Census, Greenwich CDP (Warren County)'s Native American/Other population has declined by an estimated 61.1%. Native American/Other residents' share of Greenwich CDP (Warren County)'s population has remained roughly unchanged at 0.3%.

Greenwich CDP (Warren County) is more Native American/Other than neighboring Lopatcong Overlook (0% Native American/Other), Upper Stewartsville (0% Native American/Other), and Stewartsville (0% Native American/Other). Greenwich CDP (Warren County) is less Native American/Other than neighboring Upper Pohatcong (0.6% Native American/Other), and Alpha (1% Native American/Other).

Greenwich CDP (Warren County)'s Multiracial Population

186 residents of Greenwich CDP (Warren County), or 6.9% of the population, identify as Multiracial. The share of Multiracial residents in Greenwich CDP (Warren County) is slightly higher than in New Jersey overall, where 3.5% of the population is Multiracial. Greenwich CDP (Warren County) ranks 134th statewide in terms of Multiracial residents as a share of the population, out of 700 places.

Since the 2020 Census, Greenwich CDP (Warren County)'s Multiracial population has grown by an estimated 69.1%. Multiracial residents' share of Greenwich CDP (Warren County)'s population has increased from 4.3% to 6.9%.

Greenwich CDP (Warren County) is more Multiracial than neighboring Lopatcong Overlook (0% Multiracial), Upper Pohatcong (1.6% Multiracial), Upper Stewartsville (0% Multiracial), Stewartsville (3.4% Multiracial), and Alpha (5.6% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.