Marion, South Carolina Census 2020 Population By Race and Ethnicity

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 29.18K population of Marion, SC residents comprised of 710 residents who identified as Hispanic or Latino (2.43%), and 28.47K residents who identified as Non-Hispanic (97.57%).

Race: The Black or African American Alone population was the largest racial group in Marion, SC, with a population of 16.40K (56.21%). The White Alone population was the second largest racial group in Marion, SC, with a population of 11.21K (38.40%). The Two Or More Races population was the third largest racial group in Marion, SC, with a population of 918 (3.15%). The smallest racial group in Marion, SC was Native Hawaiian And Pacific Islander Alone with a population of 3 (0.01%).

Ethnicity: The Non-Hispanic - Black Alone population was the largest ethnic group in Marion, SC, with a population of 16.33K (55.97%). The Non-Hispanic - White Alone population was the second largest ethnic group in Marion, SC, with a population of 11.08K (37.97%). The Non-Hispanic - Two or More Races population was the third largest ethnic group in Marion, SC, with a population of 781 (2.68%). The smallest ethnic group in Marion, SC was Non-Hispanic - Native Hawaiian & Pac. Islander with a population of 0 (0.00%).

The charts and tables below shows the population and percentage of each racial group and ethnicity group in Marion, South Carolina from the 2020 decennial census.

You can see similar information for other South Carolina counties and also for the state of South Carolina.

Marion, SC Hispanics and Non Hispanics Population in Census 2020
Total Population:
Marion, SC Racial Groups in Census 2020
Total Population:
Marion, SC Ethnicity Groups in Census 2020
Total Population:
Marion, SC Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 16403 56.21
White Alone 11205 38.40
American Indian and Alaska Native Alone 112 0.38
Asian Alone 134 0.46
Native Hawaiian And Pacific Islander Alone 3 0.01
Some Other Race Alone 408 1.40
Two Or More Races 918 3.15
Marion, SC Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - Black Alone 16333 55.97
Non-Hispanic - White Alone 11080 37.97
Non-Hispanic - Two or More Races 781 2.68
Hispanic - Some Other Race Alone 366 1.25
Hispanic - Two or More Races 137 0.47
Non-Hispanic - Asian Alone 128 0.44
Hispanic - White Alone 125 0.43
Non-Hispanic - American Indian & Alaska Native 109 0.37
Hispanic - Black Alone 70 0.24
Non-Hispanic - Some Other Race Alone 42 0.14
Hispanic - Asian Alone 6 0.02
Hispanic - American Indian & Alaska Native 3 0.01
Hispanic - Native Hawaiian & Pac. Islander 3 0.01
Non-Hispanic - Native Hawaiian & Pac. Islander 0 0.00