New Gretna, NJ Demographics
A map of New Gretna's Population by Race
New Gretna, New Jersey has an estimated population of 314, a large decrease from the 390 recorded in the 2020 Census. The population is 73.6% White, 21.3% Hispanic, 4.5% Multiracial, 0.6% Asian, 0.0% Black, and 0.0% Native American/Other. This demographic dot map shows the population of New Gretna, with one dot drawn for each person counted by the Census, color-coded by race.
New Gretna has become considerably more racially diverse since the 2020 Census. It is considerably less 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 New Gretna, that probability was 18.0% in 2020 and 41.1% in the most recent ACS estimates.
New Gretna is ranked the 645th 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). New Gretna was ranked the 633rd most populous place in the 2020 Census.
New Gretna's White Population
231 residents of New Gretna, or 73.6% of the population, identify as White. The share of White residents in New Gretna is significantly higher than in New Jersey overall, where 50.9% of the population is White. New Gretna ranks 71st statewide in terms of White residents as a share of the population, out of 700 places.
Since the 2020 Census, New Gretna's White population has declined by an estimated 34.4%. White residents' share of New Gretna's population has decreased from 90.3% to 73.6%.
New Gretna is more White than neighboring Smithville (65.3% White). New Gretna is less White than neighboring Port Republic (91.8% White), Mystic Island (84.3% White), Leeds Point (100% White), and Oceanville (98.1% White).
New Gretna's Black Population
0 residents of New Gretna, or 0.0% of the population, identify as Black. The share of Black residents in New Gretna is considerably lower than in New Jersey overall, where 12.2% of the population is Black. New Gretna ranks 684th statewide in terms of Black residents as a share of the population, out of 700 places.
Since the 2020 Census, New Gretna's Black population has grown from 0 to an estimated 0. Black residents' share of New Gretna's population has remained roughly unchanged at 0.0%.
New Gretna is less Black than neighboring Port Republic (0.1% Black), Mystic Island (2.5% Black), and Smithville (11.9% Black).
New Gretna's Asian Population
2 residents of New Gretna, or 0.6% of the population, identify as Asian. The share of Asian residents in New Gretna is lower than in New Jersey overall, where 10% of the population is Asian. New Gretna ranks 678th statewide in terms of Asian residents as a share of the population, out of 700 places.
Since the 2020 Census, New Gretna's Asian population has grown from 0 to an estimated 2. Asian residents' share of New Gretna's population has increased from 0.0% to 0.6%.
New Gretna is more Asian than neighboring Port Republic (0.5% Asian), Leeds Point (0% Asian), and Oceanville (0% Asian). New Gretna is less Asian than neighboring Mystic Island (0.8% Asian), and Smithville (4.4% Asian).
New Gretna's Hispanic Population
67 residents of New Gretna, or 21.3% of the population, identify as Hispanic. The share of Hispanic residents in New Gretna is comparable to the share in New Jersey overall, where 22.5% of the population is Hispanic. New Gretna ranks 517th statewide in terms of Hispanic residents as a share of the population, out of 700 places.
Since the 2020 Census, New Gretna's Hispanic population has grown by an estimated 179.2%. Hispanic residents' share of New Gretna's population has increased from 6.2% to 21.3%.
New Gretna is more Hispanic than neighboring Port Republic (3.1% Hispanic), Mystic Island (7.1% Hispanic), Leeds Point (0% Hispanic), Smithville (11.2% Hispanic), and Oceanville (0% Hispanic).
New Gretna's Native American/Other Population
0 residents of New Gretna, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in New Gretna is comparable to the share in New Jersey overall, where 0.9% of the population is Native American/Other. New Gretna ranks 658th statewide in terms of Native American/Other residents as a share of the population, out of 700 places.
Since the 2020 Census, New Gretna's Native American/Other population has grown from 0 to an estimated 0. Native American/Other residents' share of New Gretna's population has remained roughly unchanged at 0.0%.
New Gretna is less Native American/Other than neighboring Mystic Island (0.7% Native American/Other), and Smithville (3.4% Native American/Other).
New Gretna's Multiracial Population
14 residents of New Gretna, or 4.5% of the population, identify as Multiracial. The share of Multiracial residents in New Gretna is comparable to the share in New Jersey overall, where 3.5% of the population is Multiracial. New Gretna ranks 250th statewide in terms of Multiracial residents as a share of the population, out of 700 places.
Since the 2020 Census, New Gretna's Multiracial population has remained roughly the same. Multiracial residents' share of New Gretna's population has increased from 3.6% to 4.5%.
New Gretna is more Multiracial than neighboring Leeds Point (0% Multiracial), Smithville (3.8% Multiracial), and Oceanville (1.9% Multiracial). New Gretna is less Multiracial than neighboring Port Republic (4.6% Multiracial), and Mystic Island (4.6% 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.