Duncan, SC Demographics

A map of Duncan's Population by Race

Duncan, South Carolina had a population of 4,041 in 2020. It was 51.9% White, 30.6% Black, 1.4% Asian, 10.8% Hispanic, 0.6% Native American/Other, and 4.7% Multiracial. This map presents the population of Duncan, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Of the 475 places in South Carolina, Duncan is the 118th most populous. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs).

Duncan's White Population

2,098 residents of Duncan identify as White, or 51.9%. This makes the White share of the population of Duncan slightly less than the White share of the population of South Carolina (62.1% White). Of the 475 places in South Carolina, Duncan is ranked #291 in terms of White residents as a share of the population.

Duncan is more White than neighboring Wellford (43.6% White). Duncan is less White than neighboring Lyman (68.1% White), Startex (72.2% White), Reidville (68.8% White), and Greer (58.4% White).

Duncan's Black Population

1,235 residents of Duncan identify as Black, or 30.6%. This makes the Black share of the population of Duncan slightly larger than the Black share of the population of South Carolina (24.8% Black). Of the 475 places in South Carolina, Duncan is ranked #206 in terms of Black residents as a share of the population.

Duncan is more Black than neighboring Lyman (16.6% Black), Startex (10.3% Black), Reidville (16.2% Black), and Greer (15.6% Black). Duncan is less Black than neighboring Wellford (40.3% Black).

Duncan's Asian Population

58 residents of Duncan identify as Asian, or 1.4%. This makes the Asian share of the population of Duncan roughly similar to the Asian share of the population of South Carolina (1.7% Asian). Of the 475 places in South Carolina, Duncan is ranked #105 in terms of Asian residents as a share of the population.

Duncan is more Asian than neighboring Startex (0% Asian). Duncan is less Asian than neighboring Lyman (2.1% Asian), Reidville (3.5% Asian), and Greer (5.3% Asian).

Duncan's Hispanic Population

436 residents of Duncan identify as Hispanic, or 10.8%. This makes the Hispanic share of the population of Duncan roughly similar to the Hispanic share of the population of South Carolina (6.9% Hispanic). Of the 475 places in South Carolina, Duncan is ranked #64 in terms of Hispanic residents as a share of the population.

Duncan is more Hispanic than neighboring Lyman (8.3% Hispanic), Wellford (8.4% Hispanic), and Reidville (6.1% Hispanic). Duncan is less Hispanic than neighboring Startex (12.3% Hispanic), and Greer (15.9% Hispanic).

Duncan's Native American/Other Population

26 residents of Duncan identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.6%. This makes the Native American/Other share of the population of Duncan roughly similar to the Native American/Other share of the population of South Carolina (0.8% Native American/Other). Of the 475 places in South Carolina, Duncan is ranked #239 in terms of Native American/Other residents as a share of the population.

Duncan is less Native American/Other than neighboring Lyman (0.8% Native American/Other), Startex (0.9% Native American/Other), Reidville (1.2% Native American/Other), and Greer (0.7% Native American/Other).

Duncan's Multiracial Population

188 residents of Duncan identify as Multiracial, or 4.7%. This makes the Multiracial share of the population of Duncan roughly similar to the Multiracial share of the population of South Carolina (3.7% Multiracial). Of the 475 places in South Carolina, Duncan is ranked #91 in terms of Multiracial residents as a share of the population.

Duncan is more Multiracial than neighboring Lyman (4.2% Multiracial), Startex (4.2% Multiracial), Reidville (4% Multiracial), and Greer (4% Multiracial). Duncan is less Multiracial than neighboring Wellford (5.6% Multiracial).

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