Sea Isle City, NJ Demographics

A map of Sea Isle City's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	1,929	1,998	96.5%	95.0%
Hispanic	35	57	1.8%	2.7%
Multiracial	34	24	1.7%	1.1%
Black	2	5	0.1%	0.2%
Asian	0	11	0.0%	0.5%
Native American/Other	0	9	0.0%	0.4%

Sea Isle City, New Jersey has an estimated population of 2,000, a decrease from the 2,104 recorded in the 2020 Census. The population is 96.5% White, 1.8% Hispanic, 1.7% Multiracial, 0.1% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Sea Isle City, with one dot drawn for each person counted by the Census, color-coded by race.

Sea Isle City has become 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 Sea Isle City, that probability was 9.7% in 2020 and 6.9% in the most recent ACS estimates.

Sea Isle City is ranked the 461st 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). Sea Isle City was ranked the 454th most populous place in the 2020 Census.

Sea Isle City's White Population

1,929 residents of Sea Isle City, or 96.5% of the population, identify as White. The share of White residents in Sea Isle City is significantly higher than in New Jersey overall, where 50.9% of the population is White. Sea Isle City ranks 14th statewide in terms of White residents as a share of the population, out of 700 places.

Since the 2020 Census, Sea Isle City's White population has declined by an estimated 3.5%. White residents' share of Sea Isle City's population has increased from 95.0% to 96.5%.

Sea Isle City is more White than neighboring Ocean View (85.2% White), Seaville (95.4% White), South Seaville (88.7% White), and Avalon (94.7% White). Sea Isle City is less White than neighboring Strathmere (100% White).

Sea Isle City's Black Population

2 residents of Sea Isle City, or 0.1% of the population, identify as Black. The share of Black residents in Sea Isle City is considerably lower than in New Jersey overall, where 12.2% of the population is Black. Sea Isle City ranks 671st statewide in terms of Black residents as a share of the population, out of 700 places.

Since the 2020 Census, Sea Isle City's Black population has declined by an estimated 60.0%. Black residents' share of Sea Isle City's population has remained roughly unchanged at 0.1%.

Sea Isle City is more Black than neighboring Strathmere (0% Black), Seaville (0% Black), and South Seaville (0% Black). Sea Isle City is less Black than neighboring Ocean View (1.6% Black).

Sea Isle City's Asian Population

0 residents of Sea Isle City, or 0.0% of the population, identify as Asian. The share of Asian residents in Sea Isle City is lower than in New Jersey overall, where 10% of the population is Asian. Sea Isle City ranks 641st statewide in terms of Asian residents as a share of the population, out of 700 places.

Since the 2020 Census, Sea Isle City's Asian population has declined by an estimated 100.0%. Asian residents' share of Sea Isle City's population has decreased from 0.5% to 0.0%.

Sea Isle City is less Asian than neighboring Seaville (1% Asian), and Avalon (1.9% Asian).

Sea Isle City's Hispanic Population

35 residents of Sea Isle City, or 1.8% of the population, identify as Hispanic. The share of Hispanic residents in Sea Isle City is significantly lower than in New Jersey overall, where 22.5% of the population is Hispanic. Sea Isle City ranks 674th statewide in terms of Hispanic residents as a share of the population, out of 700 places.

Since the 2020 Census, Sea Isle City's Hispanic population has declined by an estimated 38.6%. Hispanic residents' share of Sea Isle City's population has decreased from 2.7% to 1.8%.

Sea Isle City is more Hispanic than neighboring Strathmere (0% Hispanic). Sea Isle City is less Hispanic than neighboring Seaville (2.7% Hispanic), South Seaville (8.9% Hispanic), and Avalon (2.4% Hispanic).

Sea Isle City's Native American/Other Population

0 residents of Sea Isle City, 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 Sea Isle City is comparable to the share in New Jersey overall, where 0.9% of the population is Native American/Other. Sea Isle City ranks 473rd statewide in terms of Native American/Other residents as a share of the population, out of 700 places.

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

Sea Isle City's Multiracial Population

34 residents of Sea Isle City, or 1.7% of the population, identify as Multiracial. The share of Multiracial residents in Sea Isle City is comparable to the share in New Jersey overall, where 3.5% of the population is Multiracial. Sea Isle City ranks 672nd statewide in terms of Multiracial residents as a share of the population, out of 700 places.

Since the 2020 Census, Sea Isle City's Multiracial population has grown by an estimated 41.7%. Multiracial residents' share of Sea Isle City's population has increased from 1.1% to 1.7%.

Sea Isle City is more Multiracial than neighboring Strathmere (0% Multiracial), Seaville (0.8% Multiracial), and Avalon (0.8% Multiracial). Sea Isle City is less Multiracial than neighboring Ocean View (11.4% Multiracial), and South Seaville (2.5% 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.