Aiken, SC Demographics

A map of Aiken's Population by Race

Aiken, South Carolina has an estimated population of 32,521, a slight increase from the 32,025 recorded in the 2020 Census. The population is 59.2% White, 30.1% Black, 4.7% Hispanic, 3.4% Multiracial, 1.7% Asian, and 0.9% Native American/Other. This demographic dot map shows the population of Aiken, with one dot drawn for each person counted by the Census, color-coded by race.

Aiken has become more racially diverse since the 2020 Census. It is slightly more 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 Aiken, that probability was 53.6% in 2020 and 55.5% in the most recent ACS estimates.

Aiken is ranked the 16th 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). Aiken was ranked the 15th most populous place in the 2020 Census.

Aiken's White Population

19,241 residents of Aiken, or 59.2% of the population, identify as White. The share of White residents in Aiken is slightly lower than in South Carolina overall, where 61.9% of the population is White. Aiken ranks 233rd statewide in terms of White residents as a share of the population, out of 475 places.

Since the 2020 Census, Aiken's White population has declined by an estimated 2.6%. White residents' share of Aiken's population has decreased from 61.7% to 59.2%.

Aiken is more White than neighboring Graniteville (45.3% White), and New Ellenton (41.2% White). Aiken is less White than neighboring Warrenville (82% White), Gloverville (67.7% White), and Langley (83.8% White).

Aiken's Black Population

9,800 residents of Aiken, or 30.1% of the population, identify as Black. The share of Black residents in Aiken is higher than in South Carolina overall, where 24.6% of the population is Black. Aiken ranks 221st statewide in terms of Black residents as a share of the population, out of 475 places.

Since the 2020 Census, Aiken's Black population has grown by an estimated 8.0%. Black residents' share of Aiken's population has increased from 28.3% to 30.1%.

Aiken is more Black than neighboring Warrenville (6.5% Black), Graniteville (26.8% Black), and Langley (0% Black). Aiken is less Black than neighboring Gloverville (31.7% Black), and New Ellenton (52.3% Black).

Aiken's Asian Population

564 residents of Aiken, or 1.7% of the population, identify as Asian. The share of Asian residents in Aiken is comparable to the share in South Carolina overall, where 1.7% of the population is Asian. Aiken ranks 75th statewide in terms of Asian residents as a share of the population, out of 475 places.

Since the 2020 Census, Aiken's Asian population has declined by an estimated 11.9%. Asian residents' share of Aiken's population has remained roughly unchanged at 1.7%.

Aiken is more Asian than neighboring Warrenville (0% Asian), Gloverville (0% Asian), Graniteville (0% Asian), and New Ellenton (0% Asian). Aiken is less Asian than neighboring Langley (3% Asian).

Aiken's Hispanic Population

1,522 residents of Aiken, or 4.7% of the population, identify as Hispanic. The share of Hispanic residents in Aiken is slightly lower than in South Carolina overall, where 7.4% of the population is Hispanic. Aiken ranks 233rd statewide in terms of Hispanic residents as a share of the population, out of 475 places.

Since the 2020 Census, Aiken's Hispanic population has grown by an estimated 25.1%. Hispanic residents' share of Aiken's population has increased from 3.8% to 4.7%.

Aiken is more Hispanic than neighboring Gloverville (0.1% Hispanic), and New Ellenton (0.5% Hispanic). Aiken is less Hispanic than neighboring Warrenville (7.9% Hispanic), Graniteville (22.9% Hispanic), and Langley (6.2% Hispanic).

Aiken's Native American/Other Population

283 residents of Aiken, or 0.9% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Aiken is comparable to the share in South Carolina overall, where 0.7% of the population is Native American/Other. Aiken ranks 244th statewide in terms of Native American/Other residents as a share of the population, out of 475 places.

Since the 2020 Census, Aiken's Native American/Other population has grown by an estimated 38.7%. Native American/Other residents' share of Aiken's population has remained roughly unchanged at 0.9%.

Aiken is more Native American/Other than neighboring Warrenville (0% Native American/Other), Gloverville (0% Native American/Other), Graniteville (0% Native American/Other), and Langley (0% Native American/Other). Aiken is less Native American/Other than neighboring New Ellenton (4.2% Native American/Other).

Aiken's Multiracial Population

1,111 residents of Aiken, or 3.4% of the population, identify as Multiracial. The share of Multiracial residents in Aiken is comparable to the share in South Carolina overall, where 3.7% of the population is Multiracial. Aiken ranks 231st statewide in terms of Multiracial residents as a share of the population, out of 475 places.

Since the 2020 Census, Aiken's Multiracial population has declined by an estimated 1.8%. Multiracial residents' share of Aiken's population has remained roughly unchanged at 3.4%.

Aiken is more Multiracial than neighboring Gloverville (0.6% Multiracial), and New Ellenton (1.8% Multiracial). Aiken is less Multiracial than neighboring Warrenville (3.6% Multiracial), Graniteville (5% Multiracial), and Langley (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.