Water Mill, NY Demographics

A map of Water Mill's Population by Race

Water Mill, New York has an estimated population of 2,764, a large increase from the 2,506 recorded in the 2020 Census. The population is 89.0% White, 8.3% Hispanic, 1.5% Asian, 0.8% Multiracial, 0.4% Black, and 0.0% Native American/Other. This demographic dot map shows the population of Water Mill, with one dot drawn for each person counted by the Census, color-coded by race.

Water Mill has become considerably less racially diverse since the 2020 Census. It is considerably less diverse than New York overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Water Mill, that probability was 30.3% in 2020 and 20.0% in the most recent ACS estimates.

Water Mill is ranked the 517th most populous place in New York, out of 1,291 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). Water Mill was ranked the 567th most populous place in the 2020 Census.

Water Mill's White Population

2,461 residents of Water Mill, or 89.0% of the population, identify as White. The share of White residents in Water Mill is significantly higher than in New York overall, where 52.8% of the population is White. Water Mill ranks 745th statewide in terms of White residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Water Mill's White population has grown by an estimated 18.4%. White residents' share of Water Mill's population has increased from 83.0% to 89.0%.

Water Mill is more White than neighboring Bridgehampton (77.5% White), North Sea (61.4% White), Southampton (77.6% White), Noyack (70.5% White), and Sagaponack (78.9% White).

Water Mill's Black Population

10 residents of Water Mill, or 0.4% of the population, identify as Black. The share of Black residents in Water Mill is considerably lower than in New York overall, where 13.4% of the population is Black. Water Mill ranks 740th statewide in terms of Black residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Water Mill's Black population has declined by an estimated 64.3%. Black residents' share of Water Mill's population has decreased from 1.1% to 0.4%.

Water Mill is more Black than neighboring Sagaponack (0% Black). Water Mill is less Black than neighboring Bridgehampton (8.3% Black), North Sea (13.3% Black), Southampton (6.8% Black), and Noyack (1.2% Black).

Water Mill's Asian Population

41 residents of Water Mill, or 1.5% of the population, identify as Asian. The share of Asian residents in Water Mill is lower than in New York overall, where 9% of the population is Asian. Water Mill ranks 324th statewide in terms of Asian residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Water Mill's Asian population has declined by an estimated 55.9%. Asian residents' share of Water Mill's population has decreased from 3.7% to 1.5%.

Water Mill is more Asian than neighboring Bridgehampton (0.2% Asian), North Sea (0.6% Asian), and Sagaponack (1.3% Asian). Water Mill is less Asian than neighboring Southampton (5.2% Asian), and Noyack (6.9% Asian).

Water Mill's Hispanic Population

229 residents of Water Mill, or 8.3% of the population, identify as Hispanic. The share of Hispanic residents in Water Mill is considerably lower than in New York overall, where 19.8% of the population is Hispanic. Water Mill ranks 474th statewide in terms of Hispanic residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Water Mill's Hispanic population has grown by an estimated 21.2%. Hispanic residents' share of Water Mill's population has increased from 7.5% to 8.3%.

Water Mill is less Hispanic than neighboring Bridgehampton (13.3% Hispanic), North Sea (20.8% Hispanic), Southampton (8.5% Hispanic), Noyack (19.3% Hispanic), and Sagaponack (19.8% Hispanic).

Water Mill's Native American/Other Population

0 residents of Water Mill, 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 Water Mill is comparable to the share in New York overall, where 1.2% of the population is Native American/Other. Water Mill ranks 508th statewide in terms of Native American/Other residents as a share of the population, out of 1,291 places.

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

Water Mill is less Native American/Other than neighboring North Sea (0.8% Native American/Other), Southampton (0.1% Native American/Other), and Noyack (0.2% Native American/Other).

Water Mill's Multiracial Population

23 residents of Water Mill, or 0.8% of the population, identify as Multiracial. The share of Multiracial residents in Water Mill is slightly lower than in New York overall, where 3.8% of the population is Multiracial. Water Mill ranks 465th statewide in terms of Multiracial residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Water Mill's Multiracial population has declined by an estimated 76.8%. Multiracial residents' share of Water Mill's population has decreased from 4.0% to 0.8%.

Water Mill is more Multiracial than neighboring Bridgehampton (0.7% Multiracial), and Sagaponack (0% Multiracial). Water Mill is less Multiracial than neighboring North Sea (3.1% Multiracial), Southampton (1.8% Multiracial), and Noyack (1.9% 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.