Thornwood, NY Demographics

A map of Thornwood's Population by Race

Thornwood, New York has an estimated population of 4,140, an increase from the 3,960 recorded in the 2020 Census. The population is 80.8% White, 11.3% Hispanic, 5.0% Multiracial, 2.0% Asian, 0.9% Black, and 0.0% Native American/Other. This demographic dot map shows the population of Thornwood, with one dot drawn for each person counted by the Census, color-coded by race.

Thornwood 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 Thornwood, that probability was 38.7% in 2020 and 33.2% in the most recent ACS estimates.

Thornwood is ranked the 405th 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). Thornwood was ranked the 421st most populous place in the 2020 Census.

Thornwood's White Population

3,344 residents of Thornwood, or 80.8% of the population, identify as White. The share of White residents in Thornwood is significantly higher than in New York overall, where 52.8% of the population is White. Thornwood ranks 901st statewide in terms of White residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Thornwood's White population has grown by an estimated 10.1%. White residents' share of Thornwood's population has increased from 76.7% to 80.8%.

Thornwood is more White than neighboring Pleasantville (79.9% White), Valhalla (69.3% White), Chappaqua (59.5% White), and Armonk (65% White). Thornwood is less White than neighboring Hawthorne (84.3% White).

Thornwood's Black Population

39 residents of Thornwood, or 0.9% of the population, identify as Black. The share of Black residents in Thornwood is considerably lower than in New York overall, where 13.4% of the population is Black. Thornwood ranks 829th statewide in terms of Black residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Thornwood's Black population has grown by an estimated 11.4%. Black residents' share of Thornwood's population has remained roughly unchanged at 0.9%.

Thornwood is more Black than neighboring Hawthorne (0.4% Black). Thornwood is less Black than neighboring Pleasantville (1.6% Black), Valhalla (1.9% Black), Chappaqua (1.2% Black), and Armonk (3.3% Black).

Thornwood's Asian Population

81 residents of Thornwood, or 2.0% of the population, identify as Asian. The share of Asian residents in Thornwood is lower than in New York overall, where 9% of the population is Asian. Thornwood ranks 251st statewide in terms of Asian residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Thornwood's Asian population has declined by an estimated 57.1%. Asian residents' share of Thornwood's population has decreased from 4.8% to 2.0%.

Thornwood is more Asian than neighboring Pleasantville (0.9% Asian). Thornwood is less Asian than neighboring Hawthorne (2.7% Asian), Valhalla (5.1% Asian), Chappaqua (18.7% Asian), and Armonk (6.8% Asian).

Thornwood's Hispanic Population

468 residents of Thornwood, or 11.3% of the population, identify as Hispanic. The share of Hispanic residents in Thornwood is lower than in New York overall, where 19.8% of the population is Hispanic. Thornwood ranks 229th statewide in terms of Hispanic residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Thornwood's Hispanic population has declined by an estimated 19.6%. Hispanic residents' share of Thornwood's population has decreased from 14.7% to 11.3%.

Thornwood is less Hispanic than neighboring Pleasantville (15.9% Hispanic), Hawthorne (11.4% Hispanic), Valhalla (21.8% Hispanic), Chappaqua (14.8% Hispanic), and Armonk (17.8% Hispanic).

Thornwood's Native American/Other Population

0 residents of Thornwood, 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 Thornwood is comparable to the share in New York overall, where 1.2% of the population is Native American/Other. Thornwood ranks 753rd statewide in terms of Native American/Other residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Thornwood's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Thornwood's population has decreased from 0.5% to 0.0%.

Thornwood is less Native American/Other than neighboring Pleasantville (0.5% Native American/Other), Valhalla (1.1% Native American/Other), Chappaqua (0.6% Native American/Other), and Armonk (3.4% Native American/Other).

Thornwood's Multiracial Population

208 residents of Thornwood, or 5.0% of the population, identify as Multiracial. The share of Multiracial residents in Thornwood is comparable to the share in New York overall, where 3.8% of the population is Multiracial. Thornwood ranks 1005th statewide in terms of Multiracial residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Thornwood's Multiracial population has grown by an estimated 114.4%. Multiracial residents' share of Thornwood's population has increased from 2.4% to 5.0%.

Thornwood is more Multiracial than neighboring Pleasantville (1.2% Multiracial), Hawthorne (1.2% Multiracial), Valhalla (0.8% Multiracial), and Armonk (3.7% Multiracial). Thornwood is less Multiracial than neighboring Chappaqua (5.2% 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.