Lancaster County Demographics

A map of Lancaster County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	441,484	440,613	79.1%	79.7%
Hispanic	64,326	61,171	11.5%	11.1%
Black	19,142	19,536	3.4%	3.5%
Multiracial	16,029	15,171	2.9%	2.7%
Asian	13,414	13,939	2.4%	2.5%
Native American/Other	3,536	2,554	0.6%	0.5%

Lancaster County, Pennsylvania has an estimated population of 557,931, a less than 1% change from the 552,984 recorded in the 2020 Census. The population is 79.1% White, 11.5% Hispanic, 3.4% Black, 2.9% Multiracial, 2.4% Asian, and 0.6% Native American/Other. This demographic dot map shows the population of Lancaster County, with one dot drawn for each person counted by the Census, color-coded by race.

Lancaster has become slightly more racially diverse since 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 Lancaster County, that probability was 35.0% in 2020 and 35.8% in the most recent ACS estimates.

Lancaster County is ranked the 6th most populous county in Pennsylvania, out of 67 counties. Lancaster County was ranked the 6th most populous county in the 2020 Census.

Lancaster County's White Population

441,484 residents of Lancaster County, or 79.1% of the population, identify as White. The share of White residents in Lancaster County is higher than in Pennsylvania overall, where 73% of the population is White. Lancaster County ranks 53rd statewide in terms of White residents as a share of the population, out of 67 counties.

Since the 2020 Census, Lancaster County's White population has remained roughly the same. White residents' share of Lancaster County's population has decreased from 79.7% to 79.1%.

Lancaster County is more White than neighboring Lebanon County (78.4% White), Berks County (66.6% White), York County (78.9% White), Chester County (75.4% White), and Harford County (71.6% White).

Lancaster County's Black Population

19,142 residents of Lancaster County, or 3.4% of the population, identify as Black. The share of Black residents in Lancaster County is lower than in Pennsylvania overall, where 10.3% of the population is Black. Lancaster County ranks 26th statewide in terms of Black residents as a share of the population, out of 67 counties.

Since the 2020 Census, Lancaster County's Black population has declined by an estimated 2.0%. Black residents' share of Lancaster County's population has remained roughly unchanged at 3.4%.

Lancaster County is more Black than neighboring Lebanon County (1.7% Black). Lancaster County is less Black than neighboring Berks County (4% Black), York County (5.8% Black), Chester County (4.9% Black), and Harford County (14.1% Black).

Lancaster County's Asian Population

13,414 residents of Lancaster County, or 2.4% of the population, identify as Asian. The share of Asian residents in Lancaster County is comparable to the share in Pennsylvania overall, where 3.8% of the population is Asian. Lancaster County ranks 14th statewide in terms of Asian residents as a share of the population, out of 67 counties.

Since the 2020 Census, Lancaster County's Asian population has declined by an estimated 3.8%. Asian residents' share of Lancaster County's population has remained roughly unchanged at 2.4%.

Lancaster County is more Asian than neighboring Lebanon County (1.6% Asian), Berks County (1.3% Asian), and York County (1.5% Asian). Lancaster County is less Asian than neighboring Chester County (6.7% Asian), and Harford County (3% Asian).

Lancaster County's Hispanic Population

64,326 residents of Lancaster County, or 11.5% of the population, identify as Hispanic. The share of Hispanic residents in Lancaster County is slightly higher than in Pennsylvania overall, where 8.7% of the population is Hispanic. Lancaster County ranks 9th statewide in terms of Hispanic residents as a share of the population, out of 67 counties.

Since the 2020 Census, Lancaster County's Hispanic population has grown by an estimated 5.2%. Hispanic residents' share of Lancaster County's population has remained roughly unchanged at 11.5%.

Lancaster County is more Hispanic than neighboring York County (9.6% Hispanic), Chester County (8.4% Hispanic), and Harford County (5.8% Hispanic). Lancaster County is less Hispanic than neighboring Lebanon County (15.2% Hispanic), and Berks County (24.8% Hispanic).

Lancaster County's Native American/Other Population

3,536 residents of Lancaster County, or 0.6% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Lancaster County is comparable to the share in Pennsylvania overall, where 0.6% of the population is Native American/Other. Lancaster County ranks 28th statewide in terms of Native American/Other residents as a share of the population, out of 67 counties.

Since the 2020 Census, Lancaster County's Native American/Other population has grown by an estimated 38.4%. Native American/Other residents' share of Lancaster County's population has remained roughly unchanged at 0.6%.

Lancaster County is more Native American/Other than neighboring Lebanon County (0.4% Native American/Other), Berks County (0.5% Native American/Other), and Chester County (0.4% Native American/Other). Lancaster County is less Native American/Other than neighboring York County (0.7% Native American/Other), and Harford County (0.8% Native American/Other).

Lancaster County's Multiracial Population

16,029 residents of Lancaster County, or 2.9% of the population, identify as Multiracial. The share of Multiracial residents in Lancaster County is comparable to the share in Pennsylvania overall, where 3.6% of the population is Multiracial. Lancaster County ranks 54th statewide in terms of Multiracial residents as a share of the population, out of 67 counties.

Since the 2020 Census, Lancaster County's Multiracial population has grown by an estimated 5.7%. Multiracial residents' share of Lancaster County's population has remained roughly unchanged at 2.9%.

Lancaster County is more Multiracial than neighboring Lebanon County (2.7% Multiracial), and Berks County (2.8% Multiracial). Lancaster County is less Multiracial than neighboring York County (3.6% Multiracial), Chester County (4.1% Multiracial), and Harford County (4.7% 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.