Williamstown, PA Demographics

A map of Williamstown's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	1,167	1,181	86.8%	90.6%
Hispanic	103	51	7.7%	3.9%
Black	40	17	3.0%	1.3%
Multiracial	35	53	2.6%	4.1%
Asian	0	0	0.0%	0.0%
Native American/Other	0	1	0.0%	0.1%

Williamstown, Pennsylvania has an estimated population of 1,345, an increase from the 1,303 recorded in the 2020 Census. The population is 86.8% White, 7.7% Hispanic, 3.0% Black, 2.6% Multiracial, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Williamstown, with one dot drawn for each person counted by the Census, color-coded by race.

Williamstown has become considerably more 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 Williamstown, that probability was 17.5% in 2020 and 24.0% in the most recent ACS estimates.

Williamstown is ranked the 844th 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). Williamstown was ranked the 847th most populous place in the 2020 Census.

Williamstown's White Population

1,167 residents of Williamstown, or 86.8% of the population, identify as White. The share of White residents in Williamstown is considerably higher than in Pennsylvania overall, where 73% of the population is White. Williamstown ranks 1003rd statewide in terms of White residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Williamstown's White population has declined by an estimated 1.2%. White residents' share of Williamstown's population has decreased from 90.6% to 86.8%.

Williamstown is more White than neighboring Lykens (80.6% White). Williamstown is less White than neighboring Wiconsico (95.4% White), Tower City (90.1% White), Reinerton (96.1% White), and Orwin (99% White).

Williamstown's Black Population

40 residents of Williamstown, or 3.0% of the population, identify as Black. The share of Black residents in Williamstown is lower than in Pennsylvania overall, where 10.3% of the population is Black. Williamstown ranks 837th statewide in terms of Black residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Williamstown's Black population has grown by an estimated 135.3%. Black residents' share of Williamstown's population has increased from 1.3% to 3.0%.

Williamstown is more Black than neighboring Wiconsico (0% Black), Tower City (0.6% Black), Reinerton (0% Black), Lykens (0.2% Black), and Orwin (0% Black).

Williamstown's Asian Population

0 residents of Williamstown, or 0.0% of the population, identify as Asian. The share of Asian residents in Williamstown is slightly lower than in Pennsylvania overall, where 3.8% of the population is Asian. Williamstown ranks 1426th statewide in terms of Asian residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Williamstown's Asian population has grown from 0 to an estimated 0. Asian residents' share of Williamstown's population has remained roughly unchanged at 0.0%.

Williamstown is less Asian than neighboring Wiconsico (2.9% Asian), Tower City (0.6% Asian), and Lykens (2.8% Asian).

Williamstown's Hispanic Population

103 residents of Williamstown, or 7.7% of the population, identify as Hispanic. The share of Hispanic residents in Williamstown is comparable to the share in Pennsylvania overall, where 8.7% of the population is Hispanic. Williamstown ranks 587th statewide in terms of Hispanic residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Williamstown's Hispanic population has grown by an estimated 102.0%. Hispanic residents' share of Williamstown's population has increased from 3.9% to 7.7%.

Williamstown is more Hispanic than neighboring Wiconsico (0.7% Hispanic), Tower City (2.5% Hispanic), Reinerton (0% Hispanic), Lykens (0.5% Hispanic), and Orwin (0% Hispanic).

Williamstown's Native American/Other Population

0 residents of Williamstown, 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 Williamstown is comparable to the share in Pennsylvania overall, where 0.6% of the population is Native American/Other. Williamstown ranks 1442nd statewide in terms of Native American/Other residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Williamstown's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Williamstown's population has remained roughly unchanged at 0.0%.

Williamstown is less Native American/Other than neighboring Lykens (0.4% Native American/Other).

Williamstown's Multiracial Population

35 residents of Williamstown, or 2.6% of the population, identify as Multiracial. The share of Multiracial residents in Williamstown is comparable to the share in Pennsylvania overall, where 3.6% of the population is Multiracial. Williamstown ranks 570th statewide in terms of Multiracial residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Williamstown's Multiracial population has declined by an estimated 34.0%. Multiracial residents' share of Williamstown's population has decreased from 4.1% to 2.6%.

Williamstown is more Multiracial than neighboring Wiconsico (1.1% Multiracial), and Orwin (1% Multiracial). Williamstown is less Multiracial than neighboring Tower City (6.2% Multiracial), Reinerton (3.9% Multiracial), and Lykens (15.5% 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.