Grenloch, NJ Demographics

A map of Grenloch's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	621	613	93.2%	71.0%
Multiracial	25	43	3.8%	5.0%
Asian	12	56	1.8%	6.5%
Black	8	83	1.2%	9.6%
Hispanic	0	65	0.0%	7.5%
Native American/Other	0	3	0.0%	0.3%

Grenloch, New Jersey has an estimated population of 666, a large decrease from the 863 recorded in the 2020 Census. The population is 93.2% White, 3.8% Multiracial, 1.8% Asian, 1.2% Black, 0.0% Hispanic, and 0.0% Native American/Other. This demographic dot map shows the population of Grenloch, with one dot drawn for each person counted by the Census, color-coded by race.

Grenloch has become considerably less 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 Grenloch, that probability was 47.4% in 2020 and 12.9% in the most recent ACS estimates.

Grenloch is ranked the 588th 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). Grenloch was ranked the 563rd most populous place in the 2020 Census.

Grenloch's White Population

621 residents of Grenloch, or 93.2% of the population, identify as White. The share of White residents in Grenloch is significantly higher than in New Jersey overall, where 50.9% of the population is White. Grenloch ranks 409th statewide in terms of White residents as a share of the population, out of 700 places.

Since the 2020 Census, Grenloch's White population has grown by an estimated 1.3%. White residents' share of Grenloch's population has increased from 71.0% to 93.2%.

Grenloch is more White than neighboring Turnersville (79% White), Blackwood (74.8% White), Glendora (81% White), Stratford (72.4% White), and Hi-Nella (38.4% White).

Grenloch's Black Population

8 residents of Grenloch, or 1.2% of the population, identify as Black. The share of Black residents in Grenloch is considerably lower than in New Jersey overall, where 12.2% of the population is Black. Grenloch ranks 128th statewide in terms of Black residents as a share of the population, out of 700 places.

Since the 2020 Census, Grenloch's Black population has declined by an estimated 90.4%. Black residents' share of Grenloch's population has decreased from 9.6% to 1.2%.

Grenloch is less Black than neighboring Turnersville (2.1% Black), Blackwood (8.6% Black), Glendora (4.3% Black), Stratford (7.4% Black), and Hi-Nella (11.2% Black).

Grenloch's Asian Population

12 residents of Grenloch, or 1.8% of the population, identify as Asian. The share of Asian residents in Grenloch is lower than in New Jersey overall, where 10% of the population is Asian. Grenloch ranks 224th statewide in terms of Asian residents as a share of the population, out of 700 places.

Since the 2020 Census, Grenloch's Asian population has declined by an estimated 78.6%. Asian residents' share of Grenloch's population has decreased from 6.5% to 1.8%.

Grenloch is more Asian than neighboring Glendora (0.6% Asian). Grenloch is less Asian than neighboring Turnersville (3.2% Asian), Blackwood (3.9% Asian), Stratford (2.3% Asian), and Hi-Nella (11.5% Asian).

Grenloch's Hispanic Population

0 residents of Grenloch, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Grenloch is significantly lower than in New Jersey overall, where 22.5% of the population is Hispanic. Grenloch ranks 431st statewide in terms of Hispanic residents as a share of the population, out of 700 places.

Since the 2020 Census, Grenloch's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Grenloch's population has decreased from 7.5% to 0.0%.

Grenloch is less Hispanic than neighboring Turnersville (11.9% Hispanic), Blackwood (10.8% Hispanic), Glendora (10.8% Hispanic), Stratford (13.4% Hispanic), and Hi-Nella (31.1% Hispanic).

Grenloch's Native American/Other Population

0 residents of Grenloch, 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 Grenloch is comparable to the share in New Jersey overall, where 0.9% of the population is Native American/Other. Grenloch ranks 546th statewide in terms of Native American/Other residents as a share of the population, out of 700 places.

Since the 2020 Census, Grenloch's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Grenloch's population has remained roughly unchanged at 0.0%.

Grenloch is less Native American/Other than neighboring Glendora (1% Native American/Other), and Stratford (2% Native American/Other).

Grenloch's Multiracial Population

25 residents of Grenloch, or 3.8% of the population, identify as Multiracial. The share of Multiracial residents in Grenloch is comparable to the share in New Jersey overall, where 3.5% of the population is Multiracial. Grenloch ranks 67th statewide in terms of Multiracial residents as a share of the population, out of 700 places.

Since the 2020 Census, Grenloch's Multiracial population has declined by an estimated 41.9%. Multiracial residents' share of Grenloch's population has decreased from 5.0% to 3.8%.

Grenloch is more Multiracial than neighboring Blackwood (2% Multiracial), Glendora (2.3% Multiracial), and Stratford (2.4% Multiracial). Grenloch is less Multiracial than neighboring Turnersville (3.9% Multiracial), and Hi-Nella (7.8% 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.