Barnwell County, South Carolina Census 2020 Population By Race and Ethnicity

Updated on April 9, 2023.

According to the data from the US 2020 decennial Census, in April 2020, the 20.59K population of Barnwell County, SC residents comprised of 520 residents who identified as Hispanic or Latino (2.53%), and 20.07K residents who identified as Non-Hispanic (97.47%).

Race: The White Alone population was the largest racial group in Barnwell County, SC, with a population of 10.49K (50.96%). The Black or African American Alone population was the second largest racial group in Barnwell County, SC, with a population of 8.82K (42.86%). The Two Or More Races population was the third largest racial group in Barnwell County, SC, with a population of 756 (3.67%). The smallest racial group in Barnwell County, SC was Native Hawaiian And Pacific Islander Alone with a population of 18 (0.09%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Barnwell County, SC, with a population of 10.35K (50.28%). The Non-Hispanic - Black Alone population was the second largest ethnic group in Barnwell County, SC, with a population of 8.79K (42.67%). The Non-Hispanic - Two or More Races population was the third largest ethnic group in Barnwell County, SC, with a population of 638 (3.10%). The smallest ethnic group in Barnwell County, SC was Hispanic - Asian Alone 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 Barnwell County, 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.

Barnwell County, SC Hispanics and Non Hispanics Population in Census 2020
Total Population:
Barnwell County, SC Racial Groups in Census 2020
Total Population:
Barnwell County, SC Ethnicity Groups in Census 2020
Total Population:
Barnwell County, SC Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 8825 42.86
White Alone 10493 50.96
American Indian and Alaska Native Alone 78 0.38
Asian Alone 161 0.78
Native Hawaiian And Pacific Islander Alone 18 0.09
Some Other Race Alone 258 1.25
Two Or More Races 756 3.67
Barnwell County, SC Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 10352 50.28
Non-Hispanic - Black Alone 8785 42.67
Non-Hispanic - Two or More Races 638 3.10
Hispanic - Some Other Race Alone 200 0.97
Non-Hispanic - Asian Alone 161 0.78
Hispanic - White Alone 141 0.69
Hispanic - Two or More Races 118 0.57
Non-Hispanic - American Indian & Alaska Native 61 0.30
Non-Hispanic - Some Other Race Alone 58 0.28
Hispanic - Black Alone 40 0.19
Hispanic - American Indian & Alaska Native 17 0.08
Non-Hispanic - Native Hawaiian & Pac. Islander 14 0.07
Hispanic - Native Hawaiian & Pac. Islander 4 0.02
Hispanic - Asian Alone 0 0.00