Northumberland County Demographics

A map of Northumberland County's Population by Race

Northumberland County, Pennsylvania had a population of 91,647 in 2020. It was 89.1% White, 2.6% Black, 0.5% Asian, 4.5% Hispanic, 0.4% Native American/Other, and 2.9% Multiracial. This map presents the population of Northumberland County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Northumberland County is the 32nd most populous county of the 67 counties in Pennsylvania.

Northumberland County's White Population

81,689 residents of Northumberland County identify as White, or 89.1%. This makes the White share of the population of Northumberland County larger than the White share of the population of Pennsylvania (73.5% White). Of the 67 counties in Pennsylvania, Northumberland County is ranked #35 in terms of White residents as a share of the population.

Northumberland County is more White than neighboring Montour County (88.8% White), Union County (84.5% White), and Dauphin County (61.2% White). Northumberland County is less White than neighboring Columbia County (90.9% White), and Snyder County (93.1% White).

Northumberland County's Black Population

2,392 residents of Northumberland County identify as Black, or 2.6%. This makes the Black share of the population of Northumberland County slightly less than the Black share of the population of Pennsylvania (10.5% Black). Of the 67 counties in Pennsylvania, Northumberland County is ranked #35 in terms of Black residents as a share of the population.

Northumberland County is more Black than neighboring Montour County (1.8% Black), Columbia County (1.3% Black), and Snyder County (1.3% Black). Northumberland County is less Black than neighboring Union County (5.8% Black), and Dauphin County (16.9% Black).

Northumberland County's Asian Population

444 residents of Northumberland County identify as Asian, or 0.5%. This makes the Asian share of the population of Northumberland County roughly similar to the Asian share of the population of Pennsylvania (3.9% Asian). Of the 67 counties in Pennsylvania, Northumberland County is ranked #43 in terms of Asian residents as a share of the population.

Northumberland County is less Asian than neighboring Montour County (3.7% Asian), Columbia County (1.2% Asian), Union County (1.9% Asian), Snyder County (0.7% Asian), and Dauphin County (6% Asian).

Northumberland County's Hispanic Population

4,151 residents of Northumberland County identify as Hispanic, or 4.5%. This makes the Hispanic share of the population of Northumberland County roughly similar to the Hispanic share of the population of Pennsylvania (8.1% Hispanic). Of the 67 counties in Pennsylvania, Northumberland County is ranked #25 in terms of Hispanic residents as a share of the population.

Northumberland County is more Hispanic than neighboring Montour County (2.7% Hispanic), Columbia County (3.3% Hispanic), and Snyder County (2.5% Hispanic). Northumberland County is less Hispanic than neighboring Union County (4.7% Hispanic), and Dauphin County (10.9% Hispanic).

Northumberland County's Native American/Other Population

333 residents of Northumberland County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.4%. This makes the Native American/Other share of the population of Northumberland County roughly similar to the Native American/Other share of the population of Pennsylvania (0.6% Native American/Other). Of the 67 counties in Pennsylvania, Northumberland County is ranked #46 in terms of Native American/Other residents as a share of the population.

Northumberland County is more Native American/Other than neighboring Montour County (0.3% Native American/Other), and Snyder County (0.3% Native American/Other). Northumberland County is less Native American/Other than neighboring Union County (0.5% Native American/Other), and Dauphin County (0.7% Native American/Other).

Northumberland County's Multiracial Population

2,638 residents of Northumberland County identify as Multiracial, or 2.9%. This makes the Multiracial share of the population of Northumberland County roughly similar to the Multiracial share of the population of Pennsylvania (3.5% Multiracial). Of the 67 counties in Pennsylvania, Northumberland County is ranked #48 in terms of Multiracial residents as a share of the population.

Northumberland County is more Multiracial than neighboring Montour County (2.8% Multiracial), Union County (2.7% Multiracial), and Snyder County (2.2% Multiracial). Northumberland County is less Multiracial than neighboring Dauphin County (4.3% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.