United States › South Carolina › Marlboro County

Marlboro County, South Carolina

13,391 Black residents · 50.2% of the county · ranked 26 of 46 in South Carolina by Black population

Marlboro County is a South Carolina county entry in the gazetteer's first edition in the Black Belt heartland. In the 2020 Census, Marlboro County held 26,667 residents in all, of whom 13,391 — 50.2% — were Black alone, the count this gazetteer records for every place on the same terms.

Black share of state population — South Carolina highlighted — the state in the national tile map, shaded by the Black share of each state's population. Source: U.S. Census Bureau, 2020 Census (PL 94-171), Table P1.

Civic Snapshot

Measure	Figure
Total population, 2020	26,667
Black residents (alone), 2020	13,391
Black share of the county, 2020	50.2%
Rank by Black population among South Carolina counties	26 of 46

Source: U.S. Census Bureau, 2020 Census Redistricting File (Public Law 94-171), Table P1 (race). Trend: U.S. Census Bureau, 2010 Census Redistricting File (Public Law 94-171), Table P1.

Population Trend

The two-census record for Marlboro County: 14,729 Black residents in 2010 and 13,391 in 2020. The population declined by 9.1%, and the Black share in Marlboro County moved from 50.9% to 50.2%.

Source: U.S. Census Bureau, 2020 Census Redistricting File (Public Law 94-171), Table P1 (race). Trend: U.S. Census Bureau, 2010 Census Redistricting File (Public Law 94-171), Table P1.

The Record

Marlboro County is one of 46 counties and county equivalents the Census Bureau counts in South Carolina. Together they hold the state's 1.3 million Black residents, and Marlboro County's 13,391 of them give it rank 26 of 46 in that order. The county is the gazetteer's middle geography — larger than the places inside it, smaller than the state frame — and the figures printed here for Marlboro County are the published redistricting counts, reproduced as released.

Institutions

Black Marlboro County's institutions live at the scale of its towns and communities, and the gazetteer records them there, place by place. The Marlboro County page holds the frame around them — 26,667 people in all, 13,391 of them Black — and the trend that runs through both censuses.