Northumberland, PA Demographics

A map of Northumberland's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	3,570	3,441	92.3%	88.0%
Multiracial	142	127	3.7%	3.2%
Native American/Other	104	19	2.7%	0.5%
Hispanic	39	269	1.0%	6.9%
Black	11	37	0.3%	0.9%
Asian	0	18	0.0%	0.5%

Northumberland, Pennsylvania has an estimated population of 3,866, a slight decrease from the 3,911 recorded in the 2020 Census. The population is 92.3% White, 3.7% Multiracial, 2.7% Native American/Other, 1.0% Hispanic, 0.3% Black, and 0.0% Asian. This demographic dot map shows the population of Northumberland, with one dot drawn for each person counted by the Census, color-coded by race.

Northumberland has become considerably less 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 Northumberland, that probability was 22.0% in 2020 and 14.5% in the most recent ACS estimates.

Northumberland is ranked the 374th most populous place in Pennsylvania, out of 2,002 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Northumberland was ranked the 364th most populous place in the 2020 Census.

Northumberland's White Population

3,570 residents of Northumberland, or 92.3% of the population, identify as White. The share of White residents in Northumberland is significantly higher than in Pennsylvania overall, where 73% of the population is White. Northumberland ranks 1222nd statewide in terms of White residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Northumberland's White population has grown by an estimated 3.7%. White residents' share of Northumberland's population has increased from 88.0% to 92.3%.

Northumberland is more White than neighboring Sunbury (81.8% White), and Shamokin Dam (92.1% White). Northumberland is less White than neighboring Kapp Heights (95.9% White), Winfield (94.1% White), and Hummels Wharf (92.6% White).

Northumberland's Black Population

11 residents of Northumberland, or 0.3% of the population, identify as Black. The share of Black residents in Northumberland is lower than in Pennsylvania overall, where 10.3% of the population is Black. Northumberland ranks 979th statewide in terms of Black residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Northumberland's Black population has declined by an estimated 70.3%. Black residents' share of Northumberland's population has decreased from 0.9% to 0.3%.

Northumberland is more Black than neighboring Kapp Heights (0% Black), Shamokin Dam (0.1% Black), Winfield (0.2% Black), and Hummels Wharf (0% Black). Northumberland is less Black than neighboring Sunbury (3.3% Black).

Northumberland's Asian Population

0 residents of Northumberland, or 0.0% of the population, identify as Asian. The share of Asian residents in Northumberland is slightly lower than in Pennsylvania overall, where 3.8% of the population is Asian. Northumberland ranks 983rd statewide in terms of Asian residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Northumberland's Asian population has declined by an estimated 100.0%. Asian residents' share of Northumberland's population has decreased from 0.5% to 0.0%.

Northumberland is less Asian than neighboring Shamokin Dam (1.2% Asian), and Winfield (1.7% Asian).

Northumberland's Hispanic Population

39 residents of Northumberland, or 1.0% of the population, identify as Hispanic. The share of Hispanic residents in Northumberland is lower than in Pennsylvania overall, where 8.7% of the population is Hispanic. Northumberland ranks 303rd statewide in terms of Hispanic residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Northumberland's Hispanic population has declined by an estimated 85.5%. Hispanic residents' share of Northumberland's population has decreased from 6.9% to 1.0%.

Northumberland is more Hispanic than neighboring Kapp Heights (0% Hispanic). Northumberland is less Hispanic than neighboring Sunbury (11% Hispanic), Shamokin Dam (4.3% Hispanic), Winfield (1.9% Hispanic), and Hummels Wharf (5.9% Hispanic).

Northumberland's Native American/Other Population

104 residents of Northumberland, or 2.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Northumberland is slightly higher than in Pennsylvania overall, where 0.6% of the population is Native American/Other. Northumberland ranks 686th statewide in terms of Native American/Other residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Northumberland's Native American/Other population has grown by an estimated 447.4%. Native American/Other residents' share of Northumberland's population has increased from 0.5% to 2.7%.

Northumberland is more Native American/Other than neighboring Kapp Heights (0% Native American/Other), Sunbury (0% Native American/Other), Shamokin Dam (0% Native American/Other), Winfield (0% Native American/Other), and Hummels Wharf (0% Native American/Other).

Northumberland's Multiracial Population

142 residents of Northumberland, or 3.7% of the population, identify as Multiracial. The share of Multiracial residents in Northumberland is comparable to the share in Pennsylvania overall, where 3.6% of the population is Multiracial. Northumberland ranks 1003rd statewide in terms of Multiracial residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Northumberland's Multiracial population has grown by an estimated 11.8%. Multiracial residents' share of Northumberland's population has increased from 3.2% to 3.7%.

Northumberland is more Multiracial than neighboring Shamokin Dam (2.3% Multiracial), Winfield (2.2% Multiracial), and Hummels Wharf (1.5% Multiracial). Northumberland is less Multiracial than neighboring Kapp Heights (4.1% Multiracial), and Sunbury (3.8% 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.