Northampton County Demographics

A map of Northampton County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	229,316	228,373	72.0%	73.0%
Hispanic	49,253	44,597	15.5%	14.3%
Black	18,087	17,429	5.7%	5.6%
Multiracial	10,293	10,687	3.2%	3.4%
Asian	9,687	9,892	3.0%	3.2%
Native American/Other	1,944	1,973	0.6%	0.6%

Northampton County, Pennsylvania has an estimated population of 318,580, a slight increase from the 312,951 recorded in the 2020 Census. The population is 72.0% White, 15.5% Hispanic, 5.7% Black, 3.2% Multiracial, 3.0% Asian, and 0.6% Native American/Other. This demographic dot map shows the population of Northampton County, with one dot drawn for each person counted by the Census, color-coded by race.

Northampton has become more racially diverse since the 2020 Census. It is slightly 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 Northampton County, that probability was 44.2% in 2020 and 45.3% in the most recent ACS estimates.

Northampton County is ranked the 13th most populous county in Pennsylvania, out of 67 counties. Northampton County was ranked the 13th most populous county in the 2020 Census.

Northampton County's White Population

229,316 residents of Northampton County, or 72.0% of the population, identify as White. The share of White residents in Northampton County is comparable to the share in Pennsylvania overall, where 73% of the population is White. Northampton County ranks 60th statewide in terms of White residents as a share of the population, out of 67 counties.

Since the 2020 Census, Northampton County's White population has remained roughly the same. White residents' share of Northampton County's population has decreased from 73.0% to 72.0%.

Northampton County is more White than neighboring Monroe County (60.4% White), and Lehigh County (59.1% White). Northampton County is less White than neighboring Warren County (74.6% White), Carbon County (87.9% White), and Hunterdon County (79.9% White).

Northampton County's Black Population

18,087 residents of Northampton County, or 5.7% of the population, identify as Black. The share of Black residents in Northampton County is slightly lower than in Pennsylvania overall, where 10.3% of the population is Black. Northampton County ranks 14th statewide in terms of Black residents as a share of the population, out of 67 counties.

Since the 2020 Census, Northampton County's Black population has grown by an estimated 3.8%. Black residents' share of Northampton County's population has remained roughly unchanged at 5.7%.

Northampton County is more Black than neighboring Warren County (5.6% Black), Carbon County (1.9% Black), and Hunterdon County (2.4% Black). Northampton County is less Black than neighboring Monroe County (13% Black), and Lehigh County (5.9% Black).

Northampton County's Asian Population

9,687 residents of Northampton County, or 3.0% of the population, identify as Asian. The share of Asian residents in Northampton County is comparable to the share in Pennsylvania overall, where 3.8% of the population is Asian. Northampton County ranks 12th statewide in terms of Asian residents as a share of the population, out of 67 counties.

Since the 2020 Census, Northampton County's Asian population has declined by an estimated 2.1%. Asian residents' share of Northampton County's population has remained roughly unchanged at 3.0%.

Northampton County is more Asian than neighboring Monroe County (2.6% Asian), and Carbon County (0.6% Asian). Northampton County is less Asian than neighboring Lehigh County (3.5% Asian), and Hunterdon County (4.9% Asian).

Northampton County's Hispanic Population

49,253 residents of Northampton County, or 15.5% of the population, identify as Hispanic. The share of Hispanic residents in Northampton County is higher than in Pennsylvania overall, where 8.7% of the population is Hispanic. Northampton County ranks 6th statewide in terms of Hispanic residents as a share of the population, out of 67 counties.

Since the 2020 Census, Northampton County's Hispanic population has grown by an estimated 10.4%. Hispanic residents' share of Northampton County's population has increased from 14.3% to 15.5%.

Northampton County is more Hispanic than neighboring Warren County (13% Hispanic), Carbon County (6.9% Hispanic), and Hunterdon County (9.3% Hispanic). Northampton County is less Hispanic than neighboring Monroe County (18.2% Hispanic), and Lehigh County (28% Hispanic).

Northampton County's Native American/Other Population

1,944 residents of Northampton 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 Northampton County is comparable to the share in Pennsylvania overall, where 0.6% of the population is Native American/Other. Northampton County ranks 5th statewide in terms of Native American/Other residents as a share of the population, out of 67 counties.

Since the 2020 Census, Northampton County's Native American/Other population has declined by an estimated 1.5%. Native American/Other residents' share of Northampton County's population has remained roughly unchanged at 0.6%.

Northampton County is more Native American/Other than neighboring Warren County (0.3% Native American/Other), Carbon County (0.1% Native American/Other), and Hunterdon County (0.5% Native American/Other). Northampton County is less Native American/Other than neighboring Monroe County (1.6% Native American/Other).

Northampton County's Multiracial Population

10,293 residents of Northampton County, or 3.2% of the population, identify as Multiracial. The share of Multiracial residents in Northampton County is comparable to the share in Pennsylvania overall, where 3.6% of the population is Multiracial. Northampton County ranks 30th statewide in terms of Multiracial residents as a share of the population, out of 67 counties.

Since the 2020 Census, Northampton County's Multiracial population has declined by an estimated 3.7%. Multiracial residents' share of Northampton County's population has remained roughly unchanged at 3.2%.

Northampton County is more Multiracial than neighboring Lehigh County (2.9% Multiracial), Carbon County (2.6% Multiracial), and Hunterdon County (3% Multiracial). Northampton County is less Multiracial than neighboring Monroe County (4.3% Multiracial), and Warren County (3.5% 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.