Lehigh County Demographics

A map of Lehigh County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	223,873	227,994	59.1%	60.9%
Hispanic	105,976	96,981	28.0%	25.9%
Black	22,374	22,950	5.9%	6.1%
Asian	13,297	13,725	3.5%	3.7%
Multiracial	10,989	10,700	2.9%	2.9%
Native American/Other	2,283	2,207	0.6%	0.6%

Lehigh County, Pennsylvania has an estimated population of 378,792, a slight increase from the 374,557 recorded in the 2020 Census. The population is 59.1% White, 28.0% Hispanic, 5.9% Black, 3.5% Asian, 2.9% Multiracial, and 0.6% Native American/Other. This demographic dot map shows the population of Lehigh County, with one dot drawn for each person counted by the Census, color-coded by race.

Lehigh has become more racially diverse since the 2020 Census. It is considerably more 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 Lehigh County, that probability was 55.6% in 2020 and 56.7% in the most recent ACS estimates.

Lehigh County is ranked the 10th most populous county in Pennsylvania, out of 67 counties. Lehigh County was ranked the 10th most populous county in the 2020 Census.

Lehigh County's White Population

223,873 residents of Lehigh County, or 59.1% of the population, identify as White. The share of White residents in Lehigh County is considerably lower than in Pennsylvania overall, where 73% of the population is White. Lehigh County ranks 66th statewide in terms of White residents as a share of the population, out of 67 counties.

Since the 2020 Census, Lehigh County's White population has declined by an estimated 1.8%. White residents' share of Lehigh County's population has decreased from 60.9% to 59.1%.

Lehigh County is less White than neighboring Northampton County (72% White), Carbon County (87.9% White), Berks County (66.6% White), Montgomery County (71.5% White), and Monroe County (60.4% White).

Lehigh County's Black Population

22,374 residents of Lehigh County, or 5.9% of the population, identify as Black. The share of Black residents in Lehigh County is slightly lower than in Pennsylvania overall, where 10.3% of the population is Black. Lehigh County ranks 10th statewide in terms of Black residents as a share of the population, out of 67 counties.

Since the 2020 Census, Lehigh County's Black population has declined by an estimated 2.5%. Black residents' share of Lehigh County's population has remained roughly unchanged at 5.9%.

Lehigh County is more Black than neighboring Northampton County (5.7% Black), Carbon County (1.9% Black), and Berks County (4% Black). Lehigh County is less Black than neighboring Montgomery County (9.2% Black), and Monroe County (13% Black).

Lehigh County's Asian Population

13,297 residents of Lehigh County, or 3.5% of the population, identify as Asian. The share of Asian residents in Lehigh County is comparable to the share in Pennsylvania overall, where 3.8% of the population is Asian. Lehigh County ranks 11th statewide in terms of Asian residents as a share of the population, out of 67 counties.

Since the 2020 Census, Lehigh County's Asian population has declined by an estimated 3.1%. Asian residents' share of Lehigh County's population has remained roughly unchanged at 3.5%.

Lehigh County is more Asian than neighboring Northampton County (3% Asian), Carbon County (0.6% Asian), Berks County (1.3% Asian), and Monroe County (2.6% Asian). Lehigh County is less Asian than neighboring Montgomery County (8% Asian).

Lehigh County's Hispanic Population

105,976 residents of Lehigh County, or 28.0% of the population, identify as Hispanic. The share of Hispanic residents in Lehigh County is significantly higher than in Pennsylvania overall, where 8.7% of the population is Hispanic. Lehigh County ranks 1st statewide in terms of Hispanic residents as a share of the population, out of 67 counties.

Since the 2020 Census, Lehigh County's Hispanic population has grown by an estimated 9.3%. Hispanic residents' share of Lehigh County's population has increased from 25.9% to 28.0%.

Lehigh County is more Hispanic than neighboring Northampton County (15.5% Hispanic), Carbon County (6.9% Hispanic), Berks County (24.8% Hispanic), Montgomery County (6.7% Hispanic), and Monroe County (18.2% Hispanic).

Lehigh County's Native American/Other Population

2,283 residents of Lehigh 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 Lehigh County is comparable to the share in Pennsylvania overall, where 0.6% of the population is Native American/Other. Lehigh County ranks 9th statewide in terms of Native American/Other residents as a share of the population, out of 67 counties.

Since the 2020 Census, Lehigh County's Native American/Other population has grown by an estimated 3.4%. Native American/Other residents' share of Lehigh County's population has remained roughly unchanged at 0.6%.

Lehigh County is more Native American/Other than neighboring Carbon County (0.1% Native American/Other), and Berks County (0.5% Native American/Other). Lehigh County is less Native American/Other than neighboring Monroe County (1.6% Native American/Other).

Lehigh County's Multiracial Population

10,989 residents of Lehigh County, or 2.9% of the population, identify as Multiracial. The share of Multiracial residents in Lehigh County is comparable to the share in Pennsylvania overall, where 3.6% of the population is Multiracial. Lehigh County ranks 49th statewide in terms of Multiracial residents as a share of the population, out of 67 counties.

Since the 2020 Census, Lehigh County's Multiracial population has grown by an estimated 2.7%. Multiracial residents' share of Lehigh County's population has remained roughly unchanged at 2.9%.

Lehigh County is more Multiracial than neighboring Carbon County (2.6% Multiracial), and Berks County (2.8% Multiracial). Lehigh County is less Multiracial than neighboring Northampton County (3.2% Multiracial), Montgomery County (4% Multiracial), and Monroe County (4.3% 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.