Marion, SC Demographics

A map of Marion's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
Black	4,137	4,499	66.7%	69.8%
White	1,873	1,592	30.2%	24.7%
Multiracial	94	175	1.5%	2.7%
Native American/Other	72	33	1.2%	0.5%
Hispanic	30	76	0.5%	1.2%
Asian	0	73	0.0%	1.1%

Marion, South Carolina has an estimated population of 6,206, a decrease from the 6,448 recorded in the 2020 Census. The population is 66.7% Black, 30.2% White, 1.5% Multiracial, 1.2% Native American/Other, 0.5% Hispanic, and 0.0% Asian. 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 more racially diverse since the 2020 Census. It is considerably less diverse than South Carolina 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 45.1% in 2020 and 46.4% in the most recent ACS estimates.

Marion is ranked the 92nd most populous place in South Carolina, out of 475 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 89th most populous place in the 2020 Census.

Marion's White Population

1,873 residents of Marion, or 30.2% of the population, identify as White. The share of White residents in Marion is significantly lower than in South Carolina overall, where 61.9% of the population is White. Marion ranks 420th statewide in terms of White residents as a share of the population, out of 475 places.

Since the 2020 Census, Marion's White population has grown by an estimated 17.7%. White residents' share of Marion's population has increased from 24.7% to 30.2%.

Marion is more White than neighboring Rains (22.6% White), Zion (17.1% White), Sellers (10.9% White), and Mullins (16.7% White). Marion is less White than neighboring Floydale (96.8% White).

Marion's Black Population

4,137 residents of Marion, or 66.7% of the population, identify as Black. The share of Black residents in Marion is significantly higher than in South Carolina overall, where 24.6% of the population is Black. Marion ranks 48th statewide in terms of Black residents as a share of the population, out of 475 places.

Since the 2020 Census, Marion's Black population has declined by an estimated 8.0%. Black residents' share of Marion's population has decreased from 69.8% to 66.7%.

Marion is more Black than neighboring Sellers (56.8% Black), and Floydale (0% Black). Marion is less Black than neighboring Rains (77.4% Black), Zion (82.9% Black), and Mullins (79.7% 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 comparable to the share in South Carolina overall, where 1.7% of the population is Asian. Marion ranks 126th statewide in terms of Asian residents as a share of the population, out of 475 places.

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

Marion's Hispanic Population

30 residents of Marion, or 0.5% of the population, identify as Hispanic. The share of Hispanic residents in Marion is lower than in South Carolina overall, where 7.4% of the population is Hispanic. Marion ranks 414th statewide in terms of Hispanic residents as a share of the population, out of 475 places.

Since the 2020 Census, Marion's Hispanic population has declined by an estimated 60.5%. Hispanic residents' share of Marion's population has decreased from 1.2% to 0.5%.

Marion is more Hispanic than neighboring Rains (0% Hispanic), Zion (0% Hispanic), and Floydale (0% Hispanic). Marion is less Hispanic than neighboring Sellers (7.3% Hispanic), and Mullins (1% Hispanic).

Marion's Native American/Other Population

72 residents of Marion, or 1.2% 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 South Carolina overall, where 0.7% of the population is Native American/Other. Marion ranks 314th statewide in terms of Native American/Other residents as a share of the population, out of 475 places.

Since the 2020 Census, Marion's Native American/Other population has grown by an estimated 118.2%. Native American/Other residents' share of Marion's population has increased from 0.5% to 1.2%.

Marion is more Native American/Other than neighboring Rains (0% Native American/Other), Zion (0% Native American/Other), Mullins (0.3% Native American/Other), and Floydale (0% Native American/Other). Marion is less Native American/Other than neighboring Sellers (10.4% Native American/Other).

Marion's Multiracial Population

94 residents of Marion, or 1.5% of the population, identify as Multiracial. The share of Multiracial residents in Marion is slightly lower than in South Carolina overall, where 3.7% of the population is Multiracial. Marion ranks 333rd statewide in terms of Multiracial residents as a share of the population, out of 475 places.

Since the 2020 Census, Marion's Multiracial population has declined by an estimated 46.3%. Multiracial residents' share of Marion's population has decreased from 2.7% to 1.5%.

Marion is more Multiracial than neighboring Rains (0% Multiracial), and Zion (0% Multiracial). Marion is less Multiracial than neighboring Sellers (14.6% Multiracial), Mullins (2.3% Multiracial), and Floydale (3.2% 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.