Niantic, CT Demographics

A map of Niantic's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	2,684	2,836	85.9%	88.8%
Asian	201	63	6.4%	2.0%
Multiracial	193	106	6.2%	3.3%
Hispanic	32	144	1.0%	4.5%
Black	13	22	0.4%	0.7%
Native American/Other	0	23	0.0%	0.7%

Niantic, Connecticut has an estimated population of 3,123, a slight decrease from the 3,194 recorded in the 2020 Census. The population is 85.9% White, 6.4% Asian, 6.2% Multiracial, 1.0% Hispanic, 0.4% Black, and 0.0% Native American/Other. This demographic dot map shows the population of Niantic, with one dot drawn for each person counted by the Census, color-coded by race.

Niantic has become more racially diverse since the 2020 Census. It is considerably less diverse than Connecticut overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Niantic, that probability was 20.8% in 2020 and 25.3% in the most recent ACS estimates.

Niantic is ranked the 93rd most populous place in Connecticut, out of 215 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). Niantic was ranked the 90th most populous place in the 2020 Census.

Niantic's White Population

2,684 residents of Niantic, or 85.9% of the population, identify as White. The share of White residents in Niantic is significantly higher than in Connecticut overall, where 61.9% of the population is White. Niantic ranks 40th statewide in terms of White residents as a share of the population, out of 215 places.

Since the 2020 Census, Niantic's White population has declined by an estimated 5.4%. White residents' share of Niantic's population has decreased from 88.8% to 85.9%.

Niantic is more White than neighboring Waterford (62.9% White), New London (44.4% White), Groton (67% White), Conning Towers-Nautilus Park (60.5% White), and Oxoboxo River (73.5% White).

Niantic's Black Population

13 residents of Niantic, or 0.4% of the population, identify as Black. The share of Black residents in Niantic is lower than in Connecticut overall, where 9.8% of the population is Black. Niantic ranks 178th statewide in terms of Black residents as a share of the population, out of 215 places.

Since the 2020 Census, Niantic's Black population has declined by an estimated 40.9%. Black residents' share of Niantic's population has remained roughly unchanged at 0.4%.

Niantic is less Black than neighboring Waterford (6.6% Black), New London (12.9% Black), Groton (8% Black), Conning Towers-Nautilus Park (6.5% Black), and Oxoboxo River (2.4% Black).

Niantic's Asian Population

201 residents of Niantic, or 6.4% of the population, identify as Asian. The share of Asian residents in Niantic is comparable to the share in Connecticut overall, where 4.7% of the population is Asian. Niantic ranks 137th statewide in terms of Asian residents as a share of the population, out of 215 places.

Since the 2020 Census, Niantic's Asian population has grown by an estimated 219.0%. Asian residents' share of Niantic's population has increased from 2.0% to 6.4%.

Niantic is more Asian than neighboring Waterford (4.6% Asian), New London (2.6% Asian), Groton (6% Asian), Conning Towers-Nautilus Park (3.2% Asian), and Oxoboxo River (2.8% Asian).

Niantic's Hispanic Population

32 residents of Niantic, or 1.0% of the population, identify as Hispanic. The share of Hispanic residents in Niantic is significantly lower than in Connecticut overall, where 18.3% of the population is Hispanic. Niantic ranks 168th statewide in terms of Hispanic residents as a share of the population, out of 215 places.

Since the 2020 Census, Niantic's Hispanic population has declined by an estimated 77.8%. Hispanic residents' share of Niantic's population has decreased from 4.5% to 1.0%.

Niantic is less Hispanic than neighboring Waterford (18.7% Hispanic), New London (35.5% Hispanic), Groton (12.4% Hispanic), Conning Towers-Nautilus Park (19.1% Hispanic), and Oxoboxo River (14.5% Hispanic).

Niantic's Native American/Other Population

0 residents of Niantic, 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 Niantic is comparable to the share in Connecticut overall, where 1% of the population is Native American/Other. Niantic ranks 89th statewide in terms of Native American/Other residents as a share of the population, out of 215 places.

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

Niantic is less Native American/Other than neighboring Waterford (1.9% Native American/Other), New London (0.8% Native American/Other), Groton (0.7% Native American/Other), Conning Towers-Nautilus Park (0.2% Native American/Other), and Oxoboxo River (1% Native American/Other).

Niantic's Multiracial Population

193 residents of Niantic, or 6.2% of the population, identify as Multiracial. The share of Multiracial residents in Niantic is comparable to the share in Connecticut overall, where 4.3% of the population is Multiracial. Niantic ranks 141st statewide in terms of Multiracial residents as a share of the population, out of 215 places.

Since the 2020 Census, Niantic's Multiracial population has grown by an estimated 82.1%. Multiracial residents' share of Niantic's population has increased from 3.3% to 6.2%.

Niantic is more Multiracial than neighboring Waterford (5.3% Multiracial), New London (3.9% Multiracial), Groton (5.9% Multiracial), and Oxoboxo River (5.8% Multiracial). Niantic is less Multiracial than neighboring Conning Towers-Nautilus Park (10.5% 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.