Locust Valley, NY Demographics

A map of Locust Valley's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	2,979	2,408	71.7%	67.4%
Hispanic	690	861	16.6%	24.1%
Asian	327	124	7.9%	3.5%
Multiracial	112	65	2.7%	1.8%
Native American/Other	30	23	0.7%	0.6%
Black	15	90	0.4%	2.5%

Locust Valley, New York has an estimated population of 4,153, a large increase from the 3,571 recorded in the 2020 Census. The population is 71.7% White, 16.6% Hispanic, 7.9% Asian, 2.7% Multiracial, 0.7% Native American/Other, and 0.4% Black. This demographic dot map shows the population of Locust Valley, with one dot drawn for each person counted by the Census, color-coded by race.

Locust Valley has become 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 Locust Valley, that probability was 48.5% in 2020 and 45.1% in the most recent ACS estimates.

Locust Valley is ranked the 404th 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). Locust Valley was ranked the 451st most populous place in the 2020 Census.

Locust Valley's White Population

2,979 residents of Locust Valley, or 71.7% of the population, identify as White. The share of White residents in Locust Valley is significantly higher than in New York overall, where 52.8% of the population is White. Locust Valley ranks 1062nd statewide in terms of White residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Locust Valley's White population has grown by an estimated 23.7%. White residents' share of Locust Valley's population has increased from 67.4% to 71.7%.

Locust Valley is more White than neighboring Matinecock (71.2% White). Locust Valley is less White than neighboring Lattingtown (79.3% White), Mill Neck (79.1% White), Upper Brookville (77.1% White), and Bayville (87.8% White).

Locust Valley's Black Population

15 residents of Locust Valley, or 0.4% of the population, identify as Black. The share of Black residents in Locust Valley is considerably lower than in New York overall, where 13.4% of the population is Black. Locust Valley ranks 442nd statewide in terms of Black residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Locust Valley's Black population has declined by an estimated 83.3%. Black residents' share of Locust Valley's population has decreased from 2.5% to 0.4%.

Locust Valley is more Black than neighboring Matinecock (0.3% Black), Mill Neck (0% Black), and Bayville (0.3% Black). Locust Valley is less Black than neighboring Lattingtown (0.5% Black), and Upper Brookville (4.8% Black).

Locust Valley's Asian Population

327 residents of Locust Valley, or 7.9% of the population, identify as Asian. The share of Asian residents in Locust Valley is comparable to the share in New York overall, where 9% of the population is Asian. Locust Valley ranks 339th statewide in terms of Asian residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Locust Valley's Asian population has grown by an estimated 163.7%. Asian residents' share of Locust Valley's population has increased from 3.5% to 7.9%.

Locust Valley is more Asian than neighboring Matinecock (7% Asian), and Bayville (2.7% Asian). Locust Valley is less Asian than neighboring Lattingtown (8.2% Asian), Mill Neck (10.2% Asian), and Upper Brookville (9.3% Asian).

Locust Valley's Hispanic Population

690 residents of Locust Valley, or 16.6% of the population, identify as Hispanic. The share of Hispanic residents in Locust Valley is slightly lower than in New York overall, where 19.8% of the population is Hispanic. Locust Valley ranks 95th statewide in terms of Hispanic residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Locust Valley's Hispanic population has declined by an estimated 19.9%. Hispanic residents' share of Locust Valley's population has decreased from 24.1% to 16.6%.

Locust Valley is more Hispanic than neighboring Lattingtown (8.7% Hispanic), Mill Neck (8.8% Hispanic), Upper Brookville (2.5% Hispanic), and Bayville (6.9% Hispanic). Locust Valley is less Hispanic than neighboring Matinecock (17% Hispanic).

Locust Valley's Native American/Other Population

30 residents of Locust Valley, or 0.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Locust Valley is comparable to the share in New York overall, where 1.2% of the population is Native American/Other. Locust Valley ranks 599th statewide in terms of Native American/Other residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Locust Valley's Native American/Other population has grown by an estimated 30.4%. Native American/Other residents' share of Locust Valley's population has remained roughly unchanged at 0.7%.

Locust Valley is more Native American/Other than neighboring Mill Neck (0% Native American/Other), and Bayville (0.5% Native American/Other). Locust Valley is less Native American/Other than neighboring Matinecock (2.7% Native American/Other), Lattingtown (1.5% Native American/Other), and Upper Brookville (1.1% Native American/Other).

Locust Valley's Multiracial Population

112 residents of Locust Valley, or 2.7% of the population, identify as Multiracial. The share of Multiracial residents in Locust Valley is comparable to the share in New York overall, where 3.8% of the population is Multiracial. Locust Valley ranks 1196th statewide in terms of Multiracial residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Locust Valley's Multiracial population has grown by an estimated 72.3%. Multiracial residents' share of Locust Valley's population has increased from 1.8% to 2.7%.

Locust Valley is more Multiracial than neighboring Matinecock (1.8% Multiracial), Lattingtown (1.9% Multiracial), Mill Neck (1.8% Multiracial), and Bayville (1.9% Multiracial). Locust Valley is less Multiracial than neighboring Upper Brookville (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.