Allegany County Demographics

A map of Allegany County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	57,908	57,953	85.9%	85.1%
Black	4,594	5,286	6.8%	7.8%
Multiracial	2,421	2,663	3.6%	3.9%
Hispanic	1,328	1,149	2.0%	1.7%
Asian	708	733	1.0%	1.1%
Native American/Other	493	322	0.7%	0.5%

Allegany County, Maryland has an estimated population of 67,452, a less than 1% change from the 68,106 recorded in the 2020 Census. The population is 85.9% White, 6.8% Black, 3.6% Multiracial, 2.0% Hispanic, 1.0% Asian, and 0.7% 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 Maryland 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 26.8% in 2020 and 25.7% in the most recent ACS estimates.

Allegany County is ranked the 16th most populous county in Maryland, out of 24 counties. Allegany County was ranked the 16th most populous county in the 2020 Census.

Allegany County's White Population

57,908 residents of Allegany County, or 85.9% of the population, identify as White. The share of White residents in Allegany County is significantly higher than in Maryland overall, where 46.6% of the population is White. Allegany County ranks 2nd statewide in terms of White residents as a share of the population, out of 24 counties.

Since the 2020 Census, Allegany County's White population has remained roughly the same. White residents' share of Allegany County's population has increased from 85.1% to 85.9%.

Allegany County is less White than neighboring Hampshire County (93.2% White), Mineral County (92.4% White), Bedford County (95.4% White), Morgan County (93.1% White), and Somerset County (93.3% White).

Allegany County's Black Population

4,594 residents of Allegany County, or 6.8% of the population, identify as Black. The share of Black residents in Allegany County is significantly lower than in Maryland overall, where 28.9% of the population is Black. Allegany County ranks 20th statewide in terms of Black residents as a share of the population, out of 24 counties.

Since the 2020 Census, Allegany County's Black population has declined by an estimated 13.1%. Black residents' share of Allegany County's population has decreased from 7.8% to 6.8%.

Allegany County is more Black than neighboring Hampshire County (1% Black), Mineral County (1.3% Black), Bedford County (0.7% Black), Morgan County (0% Black), and Somerset County (2.6% Black).

Allegany County's Asian Population

708 residents of Allegany County, or 1.0% of the population, identify as Asian. The share of Asian residents in Allegany County is lower than in Maryland overall, where 6.5% of the population is Asian. Allegany County ranks 21st statewide in terms of Asian residents as a share of the population, out of 24 counties.

Since the 2020 Census, Allegany County's Asian population has declined by an estimated 3.4%. Asian residents' share of Allegany County's population has remained roughly unchanged at 1.0%.

Allegany County is more Asian than neighboring Hampshire County (0% Asian), Mineral County (0.1% Asian), Bedford County (0.5% Asian), Morgan County (0.7% Asian), and Somerset County (0.5% Asian).

Allegany County's Hispanic Population

1,328 residents of Allegany County, or 2.0% of the population, identify as Hispanic. The share of Hispanic residents in Allegany County is considerably lower than in Maryland overall, where 12.5% of the population is Hispanic. Allegany County ranks 23rd statewide in terms of Hispanic residents as a share of the population, out of 24 counties.

Since the 2020 Census, Allegany County's Hispanic population has grown by an estimated 15.6%. Hispanic residents' share of Allegany County's population has remained roughly unchanged at 2.0%.

Allegany County is more Hispanic than neighboring Hampshire County (1.7% Hispanic), Mineral County (1.2% Hispanic), Bedford County (1.4% Hispanic), Morgan County (1.8% Hispanic), and Somerset County (1.5% Hispanic).

Allegany County's Native American/Other Population

493 residents of Allegany County, 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 Allegany County is comparable to the share in Maryland overall, where 0.8% of the population is Native American/Other. Allegany County ranks 22nd statewide in terms of Native American/Other residents as a share of the population, out of 24 counties.

Since the 2020 Census, Allegany County's Native American/Other population has grown by an estimated 53.1%. Native American/Other residents' share of Allegany County's population has remained roughly unchanged at 0.7%.

Allegany County is more Native American/Other than neighboring Bedford County (0.2% Native American/Other), Morgan County (0.6% Native American/Other), and Somerset County (0.4% Native American/Other). Allegany County is less Native American/Other than neighboring Mineral County (1% Native American/Other).

Allegany County's Multiracial Population

2,421 residents of Allegany County, or 3.6% of the population, identify as Multiracial. The share of Multiracial residents in Allegany County is comparable to the share in Maryland overall, where 4.6% of the population is Multiracial. Allegany County ranks 15th statewide in terms of Multiracial residents as a share of the population, out of 24 counties.

Since the 2020 Census, Allegany County's Multiracial population has declined by an estimated 9.1%. Multiracial residents' share of Allegany County's population has remained roughly unchanged at 3.6%.

Allegany County is more Multiracial than neighboring Hampshire County (3.4% Multiracial), Bedford County (1.9% Multiracial), and Somerset County (1.6% Multiracial). Allegany County is less Multiracial than neighboring Mineral County (4% Multiracial), and Morgan County (3.8% 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.