West Seneca, NY Demographics

A map of West Seneca's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	41,093	41,558	90.7%	91.3%
Hispanic	1,667	1,487	3.7%	3.3%
Multiracial	1,264	1,171	2.8%	2.6%
Black	900	733	2.0%	1.6%
Asian	325	390	0.7%	0.9%
Native American/Other	54	161	0.1%	0.4%

West Seneca, New York has an estimated population of 45,303, a less than 1% change from the 45,500 recorded in the 2020 Census. The population is 90.7% White, 3.7% Hispanic, 2.8% Multiracial, 2.0% Black, 0.7% Asian, and 0.1% Native American/Other. This demographic dot map shows the population of West Seneca, with one dot drawn for each person counted by the Census, color-coded by race.

West Seneca has become more 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 West Seneca, that probability was 16.4% in 2020 and 17.5% in the most recent ACS estimates.

West Seneca is ranked the 20th 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). West Seneca was ranked the 21st most populous place in the 2020 Census.

West Seneca's White Population

41,093 residents of West Seneca, or 90.7% of the population, identify as White. The share of White residents in West Seneca is significantly higher than in New York overall, where 52.8% of the population is White. West Seneca ranks 345th statewide in terms of White residents as a share of the population, out of 1,291 places.

Since the 2020 Census, West Seneca's White population has declined by an estimated 1.1%. White residents' share of West Seneca's population has decreased from 91.3% to 90.7%.

West Seneca is more White than neighboring Sloan (83.6% White), Cheektowaga (71.5% White), Lackawanna (66.7% White), and Depew (89.4% White). West Seneca is less White than neighboring Orchard Park (97.8% White).

West Seneca's Black Population

900 residents of West Seneca, or 2.0% of the population, identify as Black. The share of Black residents in West Seneca is considerably lower than in New York overall, where 13.4% of the population is Black. West Seneca ranks 607th statewide in terms of Black residents as a share of the population, out of 1,291 places.

Since the 2020 Census, West Seneca's Black population has grown by an estimated 22.8%. Black residents' share of West Seneca's population has remained roughly unchanged at 2.0%.

West Seneca is more Black than neighboring Orchard Park (0% Black). West Seneca is less Black than neighboring Sloan (4.1% Black), Cheektowaga (13.5% Black), and Lackawanna (15.2% Black).

West Seneca's Asian Population

325 residents of West Seneca, or 0.7% of the population, identify as Asian. The share of Asian residents in West Seneca is lower than in New York overall, where 9% of the population is Asian. West Seneca ranks 814th statewide in terms of Asian residents as a share of the population, out of 1,291 places.

Since the 2020 Census, West Seneca's Asian population has declined by an estimated 16.7%. Asian residents' share of West Seneca's population has remained roughly unchanged at 0.7%.

West Seneca is more Asian than neighboring Orchard Park (0% Asian). West Seneca is less Asian than neighboring Sloan (1.3% Asian), Cheektowaga (5.9% Asian), Lackawanna (1.6% Asian), and Depew (1.4% Asian).

West Seneca's Hispanic Population

1,667 residents of West Seneca, or 3.7% of the population, identify as Hispanic. The share of Hispanic residents in West Seneca is significantly lower than in New York overall, where 19.8% of the population is Hispanic. West Seneca ranks 815th statewide in terms of Hispanic residents as a share of the population, out of 1,291 places.

Since the 2020 Census, West Seneca's Hispanic population has grown by an estimated 12.1%. Hispanic residents' share of West Seneca's population has remained roughly unchanged at 3.7%.

West Seneca is more Hispanic than neighboring Sloan (3% Hispanic), and Orchard Park (0.6% Hispanic). West Seneca is less Hispanic than neighboring Cheektowaga (4.9% Hispanic), Lackawanna (11.7% Hispanic), and Depew (3.8% Hispanic).

West Seneca's Native American/Other Population

54 residents of West Seneca, or 0.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in West Seneca is comparable to the share in New York overall, where 1.2% of the population is Native American/Other. West Seneca ranks 951st statewide in terms of Native American/Other residents as a share of the population, out of 1,291 places.

Since the 2020 Census, West Seneca's Native American/Other population has declined by an estimated 66.5%. Native American/Other residents' share of West Seneca's population has remained roughly unchanged at 0.1%.

West Seneca is more Native American/Other than neighboring Sloan (0% Native American/Other). West Seneca is less Native American/Other than neighboring Cheektowaga (0.8% Native American/Other), Orchard Park (0.3% Native American/Other), Lackawanna (0.5% Native American/Other), and Depew (0.2% Native American/Other).

West Seneca's Multiracial Population

1,264 residents of West Seneca, or 2.8% of the population, identify as Multiracial. The share of Multiracial residents in West Seneca is comparable to the share in New York overall, where 3.8% of the population is Multiracial. West Seneca ranks 947th statewide in terms of Multiracial residents as a share of the population, out of 1,291 places.

Since the 2020 Census, West Seneca's Multiracial population has grown by an estimated 7.9%. Multiracial residents' share of West Seneca's population has remained roughly unchanged at 2.8%.

West Seneca is more Multiracial than neighboring Orchard Park (1.3% Multiracial). West Seneca is less Multiracial than neighboring Sloan (7.9% Multiracial), Cheektowaga (3.5% Multiracial), Lackawanna (4.4% Multiracial), and Depew (3.1% 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.