Marion, PA Demographics

A map of Marion's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	833	775	94.9%	91.1%
Hispanic	45	36	5.1%	4.2%
Black	0	9	0.0%	1.1%
Asian	0	1	0.0%	0.1%
Native American/Other	0	1	0.0%	0.1%
Multiracial	0	29	0.0%	3.4%

Marion, Pennsylvania has an estimated population of 878, an increase from the 851 recorded in the 2020 Census. The population is 94.9% White, 5.1% Hispanic, 0.0% Black, 0.0% Asian, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of Marion, with one dot drawn for each person counted by the Census, color-coded by race.

Marion 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 Marion, that probability was 16.8% in 2020 and 9.7% in the most recent ACS estimates.

Marion is ranked the 1054th 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). Marion was ranked the 1063rd most populous place in the 2020 Census.

Marion's White Population

833 residents of Marion, or 94.9% of the population, identify as White. The share of White residents in Marion is significantly higher than in Pennsylvania overall, where 73% of the population is White. Marion ranks 955th statewide in terms of White residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Marion's White population has grown by an estimated 7.5%. White residents' share of Marion's population has increased from 91.1% to 94.9%.

Marion is more White than neighboring Greencastle (91.4% White), Chambersburg (65.6% White), Guilford (71.8% White), State Line (90.9% White), and Middleburg (0% White).

Marion's Black Population

0 residents of Marion, or 0.0% of the population, identify as Black. The share of Black residents in Marion is considerably lower than in Pennsylvania overall, where 10.3% of the population is Black. Marion ranks 931st statewide in terms of Black residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Marion's Black population has declined by an estimated 100.0%. Black residents' share of Marion's population has decreased from 1.1% to 0.0%.

Marion is less Black than neighboring Greencastle (2.1% Black), Chambersburg (7% Black), and State Line (2.7% Black).

Marion's Asian Population

0 residents of Marion, or 0.0% of the population, identify as Asian. The share of Asian residents in Marion is slightly lower than in Pennsylvania overall, where 3.8% of the population is Asian. Marion ranks 1378th statewide in terms of Asian residents as a share of the population, out of 2,002 places.

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

Marion is less Asian than neighboring Greencastle (2% Asian), Chambersburg (0.8% Asian), Guilford (9.5% Asian), and State Line (3.4% Asian).

Marion's Hispanic Population

45 residents of Marion, or 5.1% of the population, identify as Hispanic. The share of Hispanic residents in Marion is slightly lower than in Pennsylvania overall, where 8.7% of the population is Hispanic. Marion ranks 548th statewide in terms of Hispanic residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Marion's Hispanic population has grown by an estimated 25.0%. Hispanic residents' share of Marion's population has increased from 4.2% to 5.1%.

Marion is more Hispanic than neighboring Greencastle (1.3% Hispanic), State Line (0.9% Hispanic), and Middleburg (0% Hispanic). Marion is less Hispanic than neighboring Chambersburg (22.6% Hispanic), and Guilford (15.8% Hispanic).

Marion's Native American/Other Population

0 residents of Marion, 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 Marion is comparable to the share in Pennsylvania overall, where 0.6% of the population is Native American/Other. Marion ranks 1404th statewide in terms of Native American/Other residents as a share of the population, out of 2,002 places.

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

Marion's Multiracial Population

0 residents of Marion, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Marion is slightly lower than in Pennsylvania overall, where 3.6% of the population is Multiracial. Marion ranks 901st statewide in terms of Multiracial residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Marion's Multiracial population has declined by an estimated 100.0%. Multiracial residents' share of Marion's population has decreased from 3.4% to 0.0%.

Marion is less Multiracial than neighboring Greencastle (3.2% Multiracial), Chambersburg (4.1% Multiracial), Guilford (2.9% Multiracial), and State Line (2.2% 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.