South Union, SC Demographics

A map of South Union's Population by Race

South Union, South Carolina has an estimated population of 447, a dramatic increase from the 341 recorded in the 2020 Census. The population is 100.0% White, 0.0% Black, 0.0% Asian, 0.0% Hispanic, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of South Union, with one dot drawn for each person counted by the Census, color-coded by race.

South Union has become considerably less racially diverse since the 2020 Census. It is considerably less diverse than South Carolina overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In South Union, that probability was 13.4% in 2020 and 0.0% in the most recent ACS estimates.

South Union is ranked the 345th most populous place in South Carolina, out of 475 places. 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). South Union was ranked the 361st most populous place in the 2020 Census.

South Union's White Population

447 residents of South Union, or 100.0% of the population, identify as White. The share of White residents in South Union is significantly higher than in South Carolina overall, where 61.9% of the population is White. South Union ranks 18th statewide in terms of White residents as a share of the population, out of 475 places.

Since the 2020 Census, South Union's White population has grown by an estimated 41.0%. White residents' share of South Union's population has increased from 93.0% to 100.0%.

South Union is more White than neighboring Chickasaw Point (93.9% White), Gumlog (76.2% White), Fair Play (94.8% White), Westminster (84.3% White), and Lavonia (62.4% White).

South Union's Black Population

0 residents of South Union, or 0.0% of the population, identify as Black. The share of Black residents in South Union is significantly lower than in South Carolina overall, where 24.6% of the population is Black. South Union ranks 452nd statewide in terms of Black residents as a share of the population, out of 475 places.

Since the 2020 Census, South Union's Black population has declined by an estimated 100.0%. Black residents' share of South Union's population has decreased from 0.9% to 0.0%.

South Union is less Black than neighboring Gumlog (7.1% Black), Westminster (2.5% Black), and Lavonia (23.1% Black).

South Union's Asian Population

0 residents of South Union, or 0.0% of the population, identify as Asian. The share of Asian residents in South Union is comparable to the share in South Carolina overall, where 1.7% of the population is Asian. South Union ranks 359th statewide in terms of Asian residents as a share of the population, out of 475 places.

Since the 2020 Census, South Union's Asian population has grown from 0 to an estimated 0. Asian residents' share of South Union's population has remained roughly unchanged at 0.0%.

South Union is less Asian than neighboring Fair Play (3.4% Asian).

South Union's Hispanic Population

0 residents of South Union, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in South Union is lower than in South Carolina overall, where 7.4% of the population is Hispanic. South Union ranks 288th statewide in terms of Hispanic residents as a share of the population, out of 475 places.

Since the 2020 Census, South Union's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of South Union's population has decreased from 2.6% to 0.0%.

South Union is less Hispanic than neighboring Chickasaw Point (3.9% Hispanic), Gumlog (11.3% Hispanic), Fair Play (1.7% Hispanic), Westminster (6.5% Hispanic), and Lavonia (7.7% Hispanic).

South Union's Native American/Other Population

0 residents of South Union, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in South Union is comparable to the share in South Carolina overall, where 0.7% of the population is Native American/Other. South Union ranks 76th statewide in terms of Native American/Other residents as a share of the population, out of 475 places.

Since the 2020 Census, South Union's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of South Union's population has decreased from 1.2% to 0.0%.

South Union is less Native American/Other than neighboring Gumlog (1.4% Native American/Other), and Westminster (0.9% Native American/Other).

South Union's Multiracial Population

0 residents of South Union, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in South Union is slightly lower than in South Carolina overall, where 3.7% of the population is Multiracial. South Union ranks 378th statewide in terms of Multiracial residents as a share of the population, out of 475 places.

Since the 2020 Census, South Union's Multiracial population has declined by an estimated 100.0%. Multiracial residents' share of South Union's population has decreased from 2.3% to 0.0%.

South Union is less Multiracial than neighboring Chickasaw Point (2.3% Multiracial), Gumlog (4% Multiracial), Westminster (5.8% Multiracial), and Lavonia (6.7% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.