Castle Shannon, PA Demographics

A map of Castle Shannon's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	7,094	6,913	86.4%	83.8%
Hispanic	345	171	4.2%	2.1%
Asian	245	529	3.0%	6.4%
Black	243	300	3.0%	3.6%
Multiracial	237	280	2.9%	3.4%
Native American/Other	45	56	0.5%	0.7%

Castle Shannon, Pennsylvania has an estimated population of 8,209, a less than 1% change from the 8,249 recorded in the 2020 Census. The population is 86.4% White, 4.2% Hispanic, 3.0% Black, 3.0% Asian, 2.9% Multiracial, and 0.5% Native American/Other. This demographic dot map shows the population of Castle Shannon, with one dot drawn for each person counted by the Census, color-coded by race.

Castle Shannon 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 Castle Shannon, that probability was 29.1% in 2020 and 24.9% in the most recent ACS estimates.

Castle Shannon is ranked the 135th 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). Castle Shannon was ranked the 130th most populous place in the 2020 Census.

Castle Shannon's White Population

7,094 residents of Castle Shannon, or 86.4% of the population, identify as White. The share of White residents in Castle Shannon is considerably higher than in Pennsylvania overall, where 73% of the population is White. Castle Shannon ranks 1439th statewide in terms of White residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Castle Shannon's White population has grown by an estimated 2.6%. White residents' share of Castle Shannon's population has increased from 83.8% to 86.4%.

Castle Shannon is more White than neighboring Whitehall (77.7% White), Brentwood (78.8% White), and Baldwin (80.5% White). Castle Shannon is less White than neighboring Dormont (86.5% White), and Bethel Park municipality (92% White).

Castle Shannon's Black Population

243 residents of Castle Shannon, or 3.0% of the population, identify as Black. The share of Black residents in Castle Shannon is lower than in Pennsylvania overall, where 10.3% of the population is Black. Castle Shannon ranks 406th statewide in terms of Black residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Castle Shannon's Black population has declined by an estimated 19.0%. Black residents' share of Castle Shannon's population has decreased from 3.6% to 3.0%.

Castle Shannon is more Black than neighboring Bethel Park municipality (1.2% Black). Castle Shannon is less Black than neighboring Whitehall (4.3% Black), Dormont (5.6% Black), Brentwood (11.9% Black), and Baldwin (3.4% Black).

Castle Shannon's Asian Population

245 residents of Castle Shannon, or 3.0% of the population, identify as Asian. The share of Asian residents in Castle Shannon is comparable to the share in Pennsylvania overall, where 3.8% of the population is Asian. Castle Shannon ranks 75th statewide in terms of Asian residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Castle Shannon's Asian population has declined by an estimated 53.7%. Asian residents' share of Castle Shannon's population has decreased from 6.4% to 3.0%.

Castle Shannon is more Asian than neighboring Dormont (0.3% Asian), and Brentwood (2.1% Asian). Castle Shannon is less Asian than neighboring Whitehall (14.4% Asian), Bethel Park municipality (3.1% Asian), and Baldwin (8.4% Asian).

Castle Shannon's Hispanic Population

345 residents of Castle Shannon, or 4.2% of the population, identify as Hispanic. The share of Hispanic residents in Castle Shannon is slightly lower than in Pennsylvania overall, where 8.7% of the population is Hispanic. Castle Shannon ranks 1013th statewide in terms of Hispanic residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Castle Shannon's Hispanic population has grown by an estimated 101.8%. Hispanic residents' share of Castle Shannon's population has increased from 2.1% to 4.2%.

Castle Shannon is more Hispanic than neighboring Whitehall (1.8% Hispanic), Dormont (4% Hispanic), Brentwood (0.1% Hispanic), Bethel Park municipality (0.8% Hispanic), and Baldwin (2.3% Hispanic).

Castle Shannon's Native American/Other Population

45 residents of Castle Shannon, or 0.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Castle Shannon is comparable to the share in Pennsylvania overall, where 0.6% of the population is Native American/Other. Castle Shannon ranks 427th statewide in terms of Native American/Other residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Castle Shannon's Native American/Other population has declined by an estimated 19.6%. Native American/Other residents' share of Castle Shannon's population has remained roughly unchanged at 0.5%.

Castle Shannon is more Native American/Other than neighboring Whitehall (0.3% Native American/Other), Brentwood (0% Native American/Other), and Bethel Park municipality (0.2% Native American/Other). Castle Shannon is less Native American/Other than neighboring Dormont (1% Native American/Other), and Baldwin (2.5% Native American/Other).

Castle Shannon's Multiracial Population

237 residents of Castle Shannon, or 2.9% of the population, identify as Multiracial. The share of Multiracial residents in Castle Shannon is comparable to the share in Pennsylvania overall, where 3.6% of the population is Multiracial. Castle Shannon ranks 908th statewide in terms of Multiracial residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Castle Shannon's Multiracial population has declined by an estimated 15.4%. Multiracial residents' share of Castle Shannon's population has decreased from 3.4% to 2.9%.

Castle Shannon is more Multiracial than neighboring Whitehall (1.5% Multiracial), Dormont (2.6% Multiracial), and Bethel Park municipality (2.7% Multiracial). Castle Shannon is less Multiracial than neighboring Brentwood (7.1% 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.