Adams County Demographics

A map of Adams County's Population by Race

Adams County, Pennsylvania has an estimated population of 106,115, a slight increase from the 103,852 recorded in the 2020 Census. The population is 86.8% White, 7.7% Hispanic, 2.5% Multiracial, 1.6% Black, 0.9% Asian, and 0.4% Native American/Other. This demographic dot map shows the population of Adams County, with one dot drawn for each person counted by the Census, color-coded by race.

Adams 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 Adams County, that probability was 24.3% in 2020 and 23.9% in the most recent ACS estimates.

Adams County is ranked the 31st most populous county in Pennsylvania, out of 67 counties. Adams County was ranked the 31st most populous county in the 2020 Census.

Adams County's White Population

92,120 residents of Adams County, or 86.8% of the population, identify as White. The share of White residents in Adams County is considerably higher than in Pennsylvania overall, where 73% of the population is White. Adams County ranks 43rd statewide in terms of White residents as a share of the population, out of 67 counties.

Since the 2020 Census, Adams County's White population has grown by an estimated 2.4%. White residents' share of Adams County's population has remained roughly unchanged at 86.8%.

Adams County is more White than neighboring Cumberland County (80.7% White), Carroll County (84.5% White), Frederick County (65.7% White), York County (78.9% White), and Franklin County (84.3% White).

Adams County's Black Population

1,716 residents of Adams County, or 1.6% of the population, identify as Black. The share of Black residents in Adams County is lower than in Pennsylvania overall, where 10.3% of the population is Black. Adams County ranks 45th statewide in terms of Black residents as a share of the population, out of 67 counties.

Since the 2020 Census, Adams County's Black population has grown by an estimated 16.5%. Black residents' share of Adams County's population has remained roughly unchanged at 1.6%.

Adams County is less Black than neighboring Cumberland County (4.1% Black), Carroll County (4% Black), Frederick County (10.1% Black), York County (5.8% Black), and Franklin County (3% Black).

Adams County's Asian Population

1,000 residents of Adams County, or 0.9% of the population, identify as Asian. The share of Asian residents in Adams County is slightly lower than in Pennsylvania overall, where 3.8% of the population is Asian. Adams County ranks 28th statewide in terms of Asian residents as a share of the population, out of 67 counties.

Since the 2020 Census, Adams County's Asian population has grown by an estimated 5.0%. Asian residents' share of Adams County's population has remained roughly unchanged at 0.9%.

Adams County is less Asian than neighboring Cumberland County (5.7% Asian), Carroll County (2.4% Asian), Frederick County (5.9% Asian), York County (1.5% Asian), and Franklin County (1% Asian).

Adams County's Hispanic Population

8,213 residents of Adams County, or 7.7% of the population, identify as Hispanic. The share of Hispanic residents in Adams County is comparable to the share in Pennsylvania overall, where 8.7% of the population is Hispanic. Adams County ranks 14th statewide in terms of Hispanic residents as a share of the population, out of 67 counties.

Since the 2020 Census, Adams County's Hispanic population has grown by an estimated 5.4%. Hispanic residents' share of Adams County's population has remained roughly unchanged at 7.7%.

Adams County is more Hispanic than neighboring Cumberland County (5.1% Hispanic), Carroll County (5.1% Hispanic), and Franklin County (7.5% Hispanic). Adams County is less Hispanic than neighboring Frederick County (12.9% Hispanic), and York County (9.6% Hispanic).

Adams County's Native American/Other Population

460 residents of Adams 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 Adams County is comparable to the share in Pennsylvania overall, where 0.6% of the population is Native American/Other. Adams County ranks 21st statewide in terms of Native American/Other residents as a share of the population, out of 67 counties.

Since the 2020 Census, Adams County's Native American/Other population has declined by an estimated 10.3%. Native American/Other residents' share of Adams County's population has remained roughly unchanged at 0.4%.

Adams County is less Native American/Other than neighboring Carroll County (0.8% Native American/Other), and York County (0.7% Native American/Other).

Adams County's Multiracial Population

2,606 residents of Adams County, or 2.5% of the population, identify as Multiracial. The share of Multiracial residents in Adams County is comparable to the share in Pennsylvania overall, where 3.6% of the population is Multiracial. Adams County ranks 43rd statewide in terms of Multiracial residents as a share of the population, out of 67 counties.

Since the 2020 Census, Adams County's Multiracial population has declined by an estimated 18.0%. Multiracial residents' share of Adams County's population has decreased from 3.1% to 2.5%.

Adams County is less Multiracial than neighboring Cumberland County (4% Multiracial), Carroll County (3.2% Multiracial), Frederick County (5% Multiracial), York County (3.6% Multiracial), and Franklin County (3.7% 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.