Marmora, NJ Demographics

A map of Marmora's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	1,795	2,226	88.0%	92.3%
Multiracial	118	63	5.8%	2.6%
Asian	77	19	3.8%	0.8%
Hispanic	44	60	2.2%	2.5%
Black	5	28	0.2%	1.2%
Native American/Other	0	17	0.0%	0.7%

Marmora, New Jersey has an estimated population of 2,039, a large decrease from the 2,413 recorded in the 2020 Census. The population is 88.0% White, 5.8% Multiracial, 3.8% Asian, 2.2% Hispanic, 0.2% Black, and 0.0% Native American/Other. This demographic dot map shows the population of Marmora, with one dot drawn for each person counted by the Census, color-coded by race.

Marmora 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 Marmora, that probability was 14.7% in 2020 and 22.0% in the most recent ACS estimates.

Marmora is ranked the 455th 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). Marmora was ranked the 427th most populous place in the 2020 Census.

Marmora's White Population

1,795 residents of Marmora, or 88.0% of the population, identify as White. The share of White residents in Marmora is significantly higher than in New Jersey overall, where 50.9% of the population is White. Marmora ranks 38th statewide in terms of White residents as a share of the population, out of 700 places.

Since the 2020 Census, Marmora's White population has declined by an estimated 19.4%. White residents' share of Marmora's population has decreased from 92.3% to 88.0%.

Marmora is more White than neighboring Beesleys Point (82.5% White), and Ocean City (84.4% White). Marmora is less White than neighboring Palermo (96% White), Strathmere (100% White), and Seaville (95.4% White).

Marmora's Black Population

5 residents of Marmora, or 0.2% of the population, identify as Black. The share of Black residents in Marmora is considerably lower than in New Jersey overall, where 12.2% of the population is Black. Marmora ranks 547th statewide in terms of Black residents as a share of the population, out of 700 places.

Since the 2020 Census, Marmora's Black population has declined by an estimated 82.1%. Black residents' share of Marmora's population has decreased from 1.2% to 0.2%.

Marmora is more Black than neighboring Beesleys Point (0% Black), Palermo (0% Black), Strathmere (0% Black), and Seaville (0% Black). Marmora is less Black than neighboring Ocean City (3.4% Black).

Marmora's Asian Population

77 residents of Marmora, or 3.8% of the population, identify as Asian. The share of Asian residents in Marmora is lower than in New Jersey overall, where 10% of the population is Asian. Marmora ranks 601st statewide in terms of Asian residents as a share of the population, out of 700 places.

Since the 2020 Census, Marmora's Asian population has grown by an estimated 305.3%. Asian residents' share of Marmora's population has increased from 0.8% to 3.8%.

Marmora is more Asian than neighboring Beesleys Point (0% Asian), Palermo (0.1% Asian), Ocean City (0.2% Asian), Strathmere (0% Asian), and Seaville (1% Asian).

Marmora's Hispanic Population

44 residents of Marmora, or 2.2% of the population, identify as Hispanic. The share of Hispanic residents in Marmora is significantly lower than in New Jersey overall, where 22.5% of the population is Hispanic. Marmora ranks 678th statewide in terms of Hispanic residents as a share of the population, out of 700 places.

Since the 2020 Census, Marmora's Hispanic population has declined by an estimated 26.7%. Hispanic residents' share of Marmora's population has remained roughly unchanged at 2.2%.

Marmora is more Hispanic than neighboring Strathmere (0% Hispanic). Marmora is less Hispanic than neighboring Beesleys Point (4.6% Hispanic), Palermo (3.1% Hispanic), Ocean City (9.1% Hispanic), and Seaville (2.7% Hispanic).

Marmora's Native American/Other Population

0 residents of Marmora, 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 Marmora is comparable to the share in New Jersey overall, where 0.9% of the population is Native American/Other. Marmora ranks 251st statewide in terms of Native American/Other residents as a share of the population, out of 700 places.

Since the 2020 Census, Marmora's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Marmora's population has decreased from 0.7% to 0.0%.

Marmora is less Native American/Other than neighboring Ocean City (1.3% Native American/Other).

Marmora's Multiracial Population

118 residents of Marmora, or 5.8% of the population, identify as Multiracial. The share of Multiracial residents in Marmora is slightly higher than in New Jersey overall, where 3.5% of the population is Multiracial. Marmora ranks 480th statewide in terms of Multiracial residents as a share of the population, out of 700 places.

Since the 2020 Census, Marmora's Multiracial population has grown by an estimated 87.3%. Multiracial residents' share of Marmora's population has increased from 2.6% to 5.8%.

Marmora is more Multiracial than neighboring Palermo (0.7% Multiracial), Ocean City (1.5% Multiracial), Strathmere (0% Multiracial), and Seaville (0.8% Multiracial). Marmora is less Multiracial than neighboring Beesleys Point (13% 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.