Somerset County Demographics

A map of Somerset County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	67,938	69,044	93.3%	93.1%
Black	1,889	1,863	2.6%	2.5%
Multiracial	1,196	1,808	1.6%	2.4%
Hispanic	1,127	1,037	1.5%	1.4%
Asian	382	194	0.5%	0.3%
Native American/Other	267	183	0.4%	0.2%

Somerset County, Pennsylvania has an estimated population of 72,799, a slight decrease from the 74,129 recorded in the 2020 Census. The population is 93.3% White, 2.6% Black, 1.6% Multiracial, 1.5% Hispanic, 0.5% Asian, and 0.4% Native American/Other. This demographic dot map shows the population of Somerset County, with one dot drawn for each person counted by the Census, color-coded by race.

Somerset is about as racially diverse as it was in the 2020 Census. It is considerably less diverse than Pennsylvania overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Somerset County, that probability was 13.1% in 2020 and 12.8% in the most recent ACS estimates.

Somerset County is ranked the 37th most populous county in Pennsylvania, out of 67 counties. Somerset County was ranked the 37th most populous county in the 2020 Census.

Somerset County's White Population

67,938 residents of Somerset County, or 93.3% of the population, identify as White. The share of White residents in Somerset County is significantly higher than in Pennsylvania overall, where 73% of the population is White. Somerset County ranks 16th statewide in terms of White residents as a share of the population, out of 67 counties.

Since the 2020 Census, Somerset County's White population has declined by an estimated 1.6%. White residents' share of Somerset County's population has remained roughly unchanged at 93.3%.

Somerset County is more White than neighboring Allegany County (85.9% White), Westmoreland County (91.4% White), and Mineral County (92.4% White). Somerset County is less White than neighboring Garrett County (94.7% White), and Bedford County (95.4% White).

Somerset County's Black Population

1,889 residents of Somerset County, or 2.6% of the population, identify as Black. The share of Black residents in Somerset County is lower than in Pennsylvania overall, where 10.3% of the population is Black. Somerset County ranks 37th statewide in terms of Black residents as a share of the population, out of 67 counties.

Since the 2020 Census, Somerset County's Black population has grown by an estimated 1.4%. Black residents' share of Somerset County's population has remained roughly unchanged at 2.6%.

Somerset County is more Black than neighboring Garrett County (0.6% Black), Bedford County (0.7% Black), Westmoreland County (2.5% Black), and Mineral County (1.3% Black). Somerset County is less Black than neighboring Allegany County (6.8% Black).

Somerset County's Asian Population

382 residents of Somerset County, or 0.5% of the population, identify as Asian. The share of Asian residents in Somerset County is slightly lower than in Pennsylvania overall, where 3.8% of the population is Asian. Somerset County ranks 64th statewide in terms of Asian residents as a share of the population, out of 67 counties.

Since the 2020 Census, Somerset County's Asian population has grown by an estimated 96.9%. Asian residents' share of Somerset County's population has remained roughly unchanged at 0.5%.

Somerset County is more Asian than neighboring Mineral County (0.1% Asian). Somerset County is less Asian than neighboring Allegany County (1% Asian), and Westmoreland County (1% Asian).

Somerset County's Hispanic Population

1,127 residents of Somerset County, or 1.5% of the population, identify as Hispanic. The share of Hispanic residents in Somerset County is lower than in Pennsylvania overall, where 8.7% of the population is Hispanic. Somerset County ranks 57th statewide in terms of Hispanic residents as a share of the population, out of 67 counties.

Since the 2020 Census, Somerset County's Hispanic population has grown by an estimated 8.7%. Hispanic residents' share of Somerset County's population has remained roughly unchanged at 1.5%.

Somerset County is more Hispanic than neighboring Garrett County (1.4% Hispanic), Bedford County (1.4% Hispanic), and Mineral County (1.2% Hispanic). Somerset County is less Hispanic than neighboring Allegany County (2% Hispanic), and Westmoreland County (1.6% Hispanic).

Somerset County's Native American/Other Population

267 residents of Somerset County, or 0.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Somerset County is comparable to the share in Pennsylvania overall, where 0.6% of the population is Native American/Other. Somerset County ranks 64th statewide in terms of Native American/Other residents as a share of the population, out of 67 counties.

Since the 2020 Census, Somerset County's Native American/Other population has grown by an estimated 45.9%. Native American/Other residents' share of Somerset County's population has remained roughly unchanged at 0.4%.

Somerset County is more Native American/Other than neighboring Bedford County (0.2% Native American/Other), and Westmoreland County (0.2% Native American/Other). Somerset County is less Native American/Other than neighboring Allegany County (0.7% Native American/Other), Garrett County (0.8% Native American/Other), and Mineral County (1% Native American/Other).

Somerset County's Multiracial Population

1,196 residents of Somerset County, or 1.6% of the population, identify as Multiracial. The share of Multiracial residents in Somerset County is comparable to the share in Pennsylvania overall, where 3.6% of the population is Multiracial. Somerset County ranks 63rd statewide in terms of Multiracial residents as a share of the population, out of 67 counties.

Since the 2020 Census, Somerset County's Multiracial population has declined by an estimated 33.8%. Multiracial residents' share of Somerset County's population has decreased from 2.4% to 1.6%.

Somerset County is less Multiracial than neighboring Allegany County (3.6% Multiracial), Garrett County (2% Multiracial), Bedford County (1.9% Multiracial), Westmoreland County (3.3% Multiracial), and Mineral County (4% 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.