Belfast, PA Demographics

A map of Belfast's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	1,059	1,175	92.6%	91.9%
Multiracial	85	43	7.4%	3.4%
Black	0	6	0.0%	0.5%
Asian	0	5	0.0%	0.4%
Hispanic	0	50	0.0%	3.9%
Native American/Other	0	0	0.0%	0.0%

Belfast, Pennsylvania has an estimated population of 1,144, a large decrease from the 1,279 recorded in the 2020 Census. The population is 92.6% White, 7.4% Multiracial, 0.0% Black, 0.0% Asian, 0.0% Hispanic, and 0.0% Native American/Other. This demographic dot map shows the population of Belfast, with one dot drawn for each person counted by the Census, color-coded by race.

Belfast has become 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 Belfast, that probability was 15.3% in 2020 and 13.8% in the most recent ACS estimates.

Belfast is ranked the 927th 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). Belfast was ranked the 859th most populous place in the 2020 Census.

Belfast's White Population

1,059 residents of Belfast, or 92.6% of the population, identify as White. The share of White residents in Belfast is significantly higher than in Pennsylvania overall, where 73% of the population is White. Belfast ranks 870th statewide in terms of White residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Belfast's White population has declined by an estimated 9.9%. White residents' share of Belfast's population has increased from 91.9% to 92.6%.

Belfast is more White than neighboring Stockertown (86.2% White), Tatamy (79.1% White), Nazareth (82.3% White), and Wind Gap (86.5% White). Belfast is less White than neighboring Eastlawn Gardens (92.9% White).

Belfast's Black Population

0 residents of Belfast, or 0.0% of the population, identify as Black. The share of Black residents in Belfast is considerably lower than in Pennsylvania overall, where 10.3% of the population is Black. Belfast ranks 1274th statewide in terms of Black residents as a share of the population, out of 2,002 places.

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

Belfast is less Black than neighboring Stockertown (1% Black), Tatamy (3.3% Black), Nazareth (3% Black), and Wind Gap (1.7% Black).

Belfast's Asian Population

0 residents of Belfast, or 0.0% of the population, identify as Asian. The share of Asian residents in Belfast is slightly lower than in Pennsylvania overall, where 3.8% of the population is Asian. Belfast ranks 1064th statewide in terms of Asian residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Belfast's Asian population has declined by an estimated 100.0%. Asian residents' share of Belfast's population has remained roughly unchanged at 0.0%.

Belfast is less Asian than neighboring Eastlawn Gardens (0.9% Asian), Tatamy (3.3% Asian), and Nazareth (2% Asian).

Belfast's Hispanic Population

0 residents of Belfast, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Belfast is lower than in Pennsylvania overall, where 8.7% of the population is Hispanic. Belfast ranks 588th statewide in terms of Hispanic residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Belfast's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Belfast's population has decreased from 3.9% to 0.0%.

Belfast is less Hispanic than neighboring Stockertown (3.1% Hispanic), Eastlawn Gardens (3.7% Hispanic), Tatamy (6.3% Hispanic), Nazareth (8.1% Hispanic), and Wind Gap (8% Hispanic).

Belfast's Native American/Other Population

0 residents of Belfast, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Belfast is comparable to the share in Pennsylvania overall, where 0.6% of the population is Native American/Other. Belfast ranks 1459th statewide in terms of Native American/Other residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Belfast's Native American/Other population has grown from 0 to an estimated 0. Native American/Other residents' share of Belfast's population has remained roughly unchanged at 0.0%.

Belfast is less Native American/Other than neighboring Stockertown (0.5% Native American/Other).

Belfast's Multiracial Population

85 residents of Belfast, or 7.4% of the population, identify as Multiracial. The share of Multiracial residents in Belfast is slightly higher than in Pennsylvania overall, where 3.6% of the population is Multiracial. Belfast ranks 929th statewide in terms of Multiracial residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Belfast's Multiracial population has grown by an estimated 97.7%. Multiracial residents' share of Belfast's population has increased from 3.4% to 7.4%.

Belfast is more Multiracial than neighboring Eastlawn Gardens (2.5% Multiracial), Nazareth (4.7% Multiracial), and Wind Gap (3.8% Multiracial). Belfast is less Multiracial than neighboring Stockertown (9.2% Multiracial), and Tatamy (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.