Union County Demographics

A map of Union County's Population by Race

Union County, South Carolina had a population of 27,244 in 2020. It was 63.4% White, 31.0% Black, 0.3% Asian, 1.6% Hispanic, 0.4% Native American/Other, and 3.3% Multiracial. This map presents the population of Union County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Union County is the 34th most populous county of the 46 counties in South Carolina.

Union County's White Population

17,279 residents of Union County identify as White, or 63.4%. This makes the White share of the population of Union County roughly similar to the White share of the population of South Carolina (62.1% White). Of the 46 counties in South Carolina, Union County is ranked #18 in terms of White residents as a share of the population.

Union County is more White than neighboring Newberry County (60% White), and Chester County (57.6% White). Union County is less White than neighboring Cherokee County (70.4% White), Laurens County (65.7% White), and Spartanburg County (65.4% White).

Union County's Black Population

8,435 residents of Union County identify as Black, or 31.0%. This makes the Black share of the population of Union County slightly larger than the Black share of the population of South Carolina (24.8% Black). Of the 46 counties in South Carolina, Union County is ranked #23 in terms of Black residents as a share of the population.

Union County is more Black than neighboring Cherokee County (20.1% Black), Newberry County (27.5% Black), Laurens County (23.6% Black), and Spartanburg County (19.4% Black). Union County is less Black than neighboring Chester County (35% Black).

Union County's Asian Population

78 residents of Union County identify as Asian, or 0.3%. This makes the Asian share of the population of Union County roughly similar to the Asian share of the population of South Carolina (1.7% Asian). Of the 46 counties in South Carolina, Union County is ranked #41 in terms of Asian residents as a share of the population.

Union County is less Asian than neighboring Cherokee County (0.6% Asian), Newberry County (0.4% Asian), Laurens County (0.4% Asian), Spartanburg County (2.5% Asian), and Chester County (0.5% Asian).

Union County's Hispanic Population

438 residents of Union County identify as Hispanic, or 1.6%. This makes the Hispanic share of the population of Union County slightly less than the Hispanic share of the population of South Carolina (6.9% Hispanic). Of the 46 counties in South Carolina, Union County is ranked #44 in terms of Hispanic residents as a share of the population.

Union County is less Hispanic than neighboring Cherokee County (4.9% Hispanic), Newberry County (8.8% Hispanic), Laurens County (6.1% Hispanic), Spartanburg County (8.5% Hispanic), and Chester County (2.5% Hispanic).

Union County's Native American/Other Population

108 residents of Union County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.4%. This makes the Native American/Other share of the population of Union 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, Union County is ranked #45 in terms of Native American/Other residents as a share of the population.

Union County is less Native American/Other than neighboring Cherokee County (0.7% Native American/Other), Newberry County (0.5% Native American/Other), Laurens County (0.6% Native American/Other), Spartanburg County (0.6% Native American/Other), and Chester County (0.9% Native American/Other).

Union County's Multiracial Population

906 residents of Union County identify as Multiracial, or 3.3%. This makes the Multiracial share of the population of Union County roughly similar to the Multiracial share of the population of South Carolina (3.7% Multiracial). Of the 46 counties in South Carolina, Union County is ranked #22 in terms of Multiracial residents as a share of the population.

Union County is more Multiracial than neighboring Newberry County (2.9% Multiracial). Union County is less Multiracial than neighboring Laurens County (3.5% Multiracial), Spartanburg County (3.7% Multiracial), and Chester County (3.7% Multiracial).

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