Sumter County Demographics

A map of Sumter County's Population by Race

Sumter County, South Carolina had a population of 105,556 in 2020. It was 44.0% White, 46.0% Black, 1.3% Asian, 4.1% Hispanic, 0.7% Native American/Other, and 3.9% Multiracial. This map presents the population of Sumter County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Sumter County is the 15th most populous county of the 46 counties in South Carolina.

Sumter County's White Population

46,442 residents of Sumter County identify as White, or 44.0%. This makes the White share of the population of Sumter County less than the White share of the population of South Carolina (62.1% White). Of the 46 counties in South Carolina, Sumter County is ranked #36 in terms of White residents as a share of the population.

Sumter County is more White than neighboring Lee County (34.6% White), and Richland County (41.5% White). Sumter County is less White than neighboring Clarendon County (49.2% White), Calhoun County (55.1% White), and Kershaw County (66.3% White).

Sumter County's Black Population

48,536 residents of Sumter County identify as Black, or 46.0%. This makes the Black share of the population of Sumter County considerably larger than the Black share of the population of South Carolina (24.8% Black). Of the 46 counties in South Carolina, Sumter County is ranked #10 in terms of Black residents as a share of the population.

Sumter County is more Black than neighboring Clarendon County (44.4% Black), Calhoun County (38% Black), Kershaw County (23.1% Black), and Richland County (45.2% Black). Sumter County is less Black than neighboring Lee County (60.8% Black).

Sumter County's Asian Population

1,400 residents of Sumter County identify as Asian, or 1.3%. This makes the Asian share of the population of Sumter County roughly similar to the Asian share of the population of South Carolina (1.7% Asian). Of the 46 counties in South Carolina, Sumter County is ranked #12 in terms of Asian residents as a share of the population.

Sumter County is more Asian than neighboring Lee County (0.2% Asian), Clarendon County (0.7% Asian), Calhoun County (0.2% Asian), and Kershaw County (0.6% Asian). Sumter County is less Asian than neighboring Richland County (2.7% Asian).

Sumter County's Hispanic Population

4,302 residents of Sumter County identify as Hispanic, or 4.1%. This makes the Hispanic share of the population of Sumter County roughly similar to the Hispanic share of the population of South Carolina (6.9% Hispanic). Of the 46 counties in South Carolina, Sumter County is ranked #25 in terms of Hispanic residents as a share of the population.

Sumter County is more Hispanic than neighboring Lee County (1.8% Hispanic), Clarendon County (2.9% Hispanic), and Calhoun County (3.4% Hispanic). Sumter County is less Hispanic than neighboring Kershaw County (5.3% Hispanic), and Richland County (6.3% Hispanic).

Sumter County's Native American/Other Population

741 residents of Sumter County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.7%. This makes the Native American/Other share of the population of Sumter County roughly similar to the Native American/Other share of the population of South Carolina (0.8% Native American/Other). Of the 46 counties in South Carolina, Sumter County is ranked #15 in terms of Native American/Other residents as a share of the population.

Sumter County is more Native American/Other than neighboring Lee County (0.4% Native American/Other), Clarendon County (0.6% Native American/Other), and Kershaw County (0.6% Native American/Other). Sumter County is less Native American/Other than neighboring Richland County (0.8% Native American/Other).

Sumter County's Multiracial Population

4,135 residents of Sumter County identify as Multiracial, or 3.9%. This makes the Multiracial share of the population of Sumter County roughly similar to the Multiracial share of the population of South Carolina (3.7% Multiracial). Of the 46 counties in South Carolina, Sumter County is ranked #10 in terms of Multiracial residents as a share of the population.

Sumter County is more Multiracial than neighboring Lee County (2.2% Multiracial), Clarendon County (2.2% Multiracial), Calhoun County (2.6% Multiracial), and Richland County (3.5% Multiracial). Sumter County is less Multiracial than neighboring Kershaw County (4% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.