Allegany County Demographics

A map of Allegany County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	43,736	42,327	92.7%	91.1%
Hispanic	1,037	965	2.2%	2.1%
Multiracial	921	1,667	2.0%	3.6%
Black	696	809	1.5%	1.7%
Asian	644	373	1.4%	0.8%
Native American/Other	125	315	0.3%	0.7%

Allegany County, New York has an estimated population of 47,159, a slight increase from the 46,456 recorded in the 2020 Census. The population is 92.7% White, 2.2% Hispanic, 2.0% Multiracial, 1.5% Black, 1.4% Asian, and 0.3% Native American/Other. This demographic dot map shows the population of Allegany County, with one dot drawn for each person counted by the Census, color-coded by race.

Allegany 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 Allegany County, that probability was 16.8% in 2020 and 13.9% in the most recent ACS estimates.

Allegany County is ranked the 49th most populous county in New York, out of 62 counties. Allegany County was ranked the 52nd most populous county in the 2020 Census.

Allegany County's White Population

43,736 residents of Allegany County, or 92.7% of the population, identify as White. The share of White residents in Allegany County is significantly higher than in New York overall, where 52.8% of the population is White. Allegany County ranks 7th statewide in terms of White residents as a share of the population, out of 62 counties.

Since the 2020 Census, Allegany County's White population has grown by an estimated 3.3%. White residents' share of Allegany County's population has increased from 91.1% to 92.7%.

Allegany County is more White than neighboring Wyoming County (88.2% White), Livingston County (88.1% White), Steuben County (91.4% White), and Cattaraugus County (87.7% White). Allegany County is less White than neighboring Potter County (94.5% White).

Allegany County's Black Population

696 residents of Allegany County, or 1.5% of the population, identify as Black. The share of Black residents in Allegany County is considerably lower than in New York overall, where 13.4% of the population is Black. Allegany County ranks 46th statewide in terms of Black residents as a share of the population, out of 62 counties.

Since the 2020 Census, Allegany County's Black population has declined by an estimated 14.0%. Black residents' share of Allegany County's population has remained roughly unchanged at 1.5%.

Allegany County is more Black than neighboring Potter County (0.4% Black), and Cattaraugus County (1.4% Black). Allegany County is less Black than neighboring Wyoming County (3.7% Black), Livingston County (1.9% Black), and Steuben County (1.6% Black).

Allegany County's Asian Population

644 residents of Allegany County, or 1.4% of the population, identify as Asian. The share of Asian residents in Allegany County is lower than in New York overall, where 9% of the population is Asian. Allegany County ranks 41st statewide in terms of Asian residents as a share of the population, out of 62 counties.

Since the 2020 Census, Allegany County's Asian population has grown by an estimated 72.7%. Asian residents' share of Allegany County's population has increased from 0.8% to 1.4%.

Allegany County is more Asian than neighboring Wyoming County (0.5% Asian), Potter County (0.4% Asian), Livingston County (1.2% Asian), and Cattaraugus County (0.9% Asian). Allegany County is less Asian than neighboring Steuben County (1.6% Asian).

Allegany County's Hispanic Population

1,037 residents of Allegany County, or 2.2% of the population, identify as Hispanic. The share of Hispanic residents in Allegany County is significantly lower than in New York overall, where 19.8% of the population is Hispanic. Allegany County ranks 58th statewide in terms of Hispanic residents as a share of the population, out of 62 counties.

Since the 2020 Census, Allegany County's Hispanic population has grown by an estimated 7.5%. Hispanic residents' share of Allegany County's population has remained roughly unchanged at 2.2%.

Allegany County is more Hispanic than neighboring Potter County (1.7% Hispanic), and Steuben County (2% Hispanic). Allegany County is less Hispanic than neighboring Wyoming County (3.8% Hispanic), Livingston County (4.6% Hispanic), and Cattaraugus County (2.4% Hispanic).

Allegany County's Native American/Other Population

125 residents of Allegany County, or 0.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Allegany County is comparable to the share in New York overall, where 1.2% of the population is Native American/Other. Allegany County ranks 33rd statewide in terms of Native American/Other residents as a share of the population, out of 62 counties.

Since the 2020 Census, Allegany County's Native American/Other population has declined by an estimated 60.3%. Native American/Other residents' share of Allegany County's population has remained roughly unchanged at 0.3%.

Allegany County is less Native American/Other than neighboring Wyoming County (1% Native American/Other), Livingston County (0.6% Native American/Other), Steuben County (0.4% Native American/Other), and Cattaraugus County (2.7% Native American/Other).

Allegany County's Multiracial Population

921 residents of Allegany County, or 2.0% of the population, identify as Multiracial. The share of Multiracial residents in Allegany County is comparable to the share in New York overall, where 3.8% of the population is Multiracial. Allegany County ranks 46th statewide in terms of Multiracial residents as a share of the population, out of 62 counties.

Since the 2020 Census, Allegany County's Multiracial population has declined by an estimated 44.8%. Multiracial residents' share of Allegany County's population has decreased from 3.6% to 2.0%.

Allegany County is less Multiracial than neighboring Wyoming County (2.8% Multiracial), Potter County (2.6% Multiracial), Livingston County (3.6% Multiracial), Steuben County (2.9% Multiracial), and Cattaraugus County (4.9% 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.