Williamsburg, 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 31.03K population of Williamsburg, SC residents comprised of 619 residents who identified as Hispanic or Latino (2.00%), and 30.41K residents who identified as Non-Hispanic (98.01%).

Race: The Black or African American Alone population was the largest racial group in Williamsburg, SC, with a population of 19.67K (63.39%). The White Alone population was the second largest racial group in Williamsburg, SC, with a population of 10.25K (33.03%). The Two Or More Races population was the third largest racial group in Williamsburg, SC, with a population of 633 (2.04%). The smallest racial group in Williamsburg, 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 Williamsburg, SC, with a population of 19.58K (63.11%). The Non-Hispanic - White Alone population was the second largest ethnic group in Williamsburg, SC, with a population of 9.99K (32.19%). The Non-Hispanic - Two or More Races population was the third largest ethnic group in Williamsburg, SC, with a population of 548 (1.77%). The smallest ethnic group in Williamsburg, SC was Non-Hispanic - Native Hawaiian & Pac. Islander with a population of 1 (0.00%).

The charts and tables below shows the population and percentage of each racial group and ethnicity group in Williamsburg, 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.

Williamsburg, SC Hispanics and Non Hispanics Population in Census 2020
Total Population:
Williamsburg, SC Racial Groups in Census 2020
Total Population:
Williamsburg, SC Ethnicity Groups in Census 2020
Total Population:
Williamsburg, SC Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 19666 63.39
White Alone 10249 33.03
American Indian and Alaska Native Alone 87 0.28
Asian Alone 161 0.52
Native Hawaiian And Pacific Islander Alone 3 0.01
Some Other Race Alone 227 0.73
Two Or More Races 633 2.04
Williamsburg, SC Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - Black Alone 19579 63.11
Non-Hispanic - White Alone 9986 32.19
Non-Hispanic - Two or More Races 548 1.77
Hispanic - White Alone 263 0.85
Hispanic - Some Other Race Alone 166 0.54
Non-Hispanic - Asian Alone 147 0.47
Hispanic - Black Alone 87 0.28
Non-Hispanic - American Indian & Alaska Native 85 0.27
Hispanic - Two or More Races 85 0.27
Non-Hispanic - Some Other Race Alone 61 0.20
Hispanic - Asian Alone 14 0.05
Hispanic - American Indian & Alaska Native 2 0.01
Hispanic - Native Hawaiian & Pac. Islander 2 0.01
Non-Hispanic - Native Hawaiian & Pac. Islander 1 0.00