Allendale, SC Demographics

A map of Allendale's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
Black	1,669	2,310	62.9%	85.7%
Hispanic	520	55	19.6%	2.0%
White	445	268	16.8%	9.9%
Native American/Other	10	18	0.4%	0.7%
Multiracial	9	39	0.3%	1.4%
Asian	0	4	0.0%	0.1%

Allendale, South Carolina has an estimated population of 2,653, a slight decrease from the 2,694 recorded in the 2020 Census. The population is 62.9% Black, 19.6% Hispanic, 16.8% White, 0.4% Native American/Other, 0.3% Multiracial, and 0.0% Asian. This demographic dot map shows the population of Allendale, with one dot drawn for each person counted by the Census, color-coded by race.

Allendale has become considerably more racially diverse since the 2020 Census. It is 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 Allendale, that probability was 25.4% in 2020 and 53.8% in the most recent ACS estimates.

Allendale is ranked the 161st 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). Allendale was ranked the 155th most populous place in the 2020 Census.

Allendale's White Population

445 residents of Allendale, or 16.8% of the population, identify as White. The share of White residents in Allendale is significantly lower than in South Carolina overall, where 61.9% of the population is White. Allendale ranks 455th statewide in terms of White residents as a share of the population, out of 475 places.

Since the 2020 Census, Allendale's White population has grown by an estimated 66.0%. White residents' share of Allendale's population has increased from 9.9% to 16.8%.

Allendale is less White than neighboring Fairfax (21.1% White), Sycamore (83.8% White), Kline (64.9% White), Ulmer (90% White), and Brunson (51.9% White).

Allendale's Black Population

1,669 residents of Allendale, or 62.9% of the population, identify as Black. The share of Black residents in Allendale is significantly higher than in South Carolina overall, where 24.6% of the population is Black. Allendale ranks 18th statewide in terms of Black residents as a share of the population, out of 475 places.

Since the 2020 Census, Allendale's Black population has declined by an estimated 27.7%. Black residents' share of Allendale's population has decreased from 85.7% to 62.9%.

Allendale is more Black than neighboring Sycamore (11.8% Black), Kline (13.6% Black), Ulmer (10% Black), and Brunson (40.6% Black). Allendale is less Black than neighboring Fairfax (76% Black).

Allendale's Asian Population

0 residents of Allendale, or 0.0% of the population, identify as Asian. The share of Asian residents in Allendale is comparable to the share in South Carolina overall, where 1.7% of the population is Asian. Allendale ranks 341st statewide in terms of Asian residents as a share of the population, out of 475 places.

Since the 2020 Census, Allendale's Asian population has declined by an estimated 100.0%. Asian residents' share of Allendale's population has remained roughly unchanged at 0.0%.

Allendale is less Asian than neighboring Fairfax (0.2% Asian).

Allendale's Hispanic Population

520 residents of Allendale, or 19.6% of the population, identify as Hispanic. The share of Hispanic residents in Allendale is considerably higher than in South Carolina overall, where 7.4% of the population is Hispanic. Allendale ranks 334th statewide in terms of Hispanic residents as a share of the population, out of 475 places.

Since the 2020 Census, Allendale's Hispanic population has grown by an estimated 845.5%. Hispanic residents' share of Allendale's population has increased from 2.0% to 19.6%.

Allendale is more Hispanic than neighboring Fairfax (1.3% Hispanic), Sycamore (0% Hispanic), Kline (14.3% Hispanic), Ulmer (0% Hispanic), and Brunson (0.2% Hispanic).

Allendale's Native American/Other Population

10 residents of Allendale, or 0.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Allendale is comparable to the share in South Carolina overall, where 0.7% of the population is Native American/Other. Allendale ranks 233rd statewide in terms of Native American/Other residents as a share of the population, out of 475 places.

Since the 2020 Census, Allendale's Native American/Other population has declined by an estimated 44.4%. Native American/Other residents' share of Allendale's population has remained roughly unchanged at 0.4%.

Allendale is more Native American/Other than neighboring Ulmer (0% Native American/Other), and Brunson (0% Native American/Other). Allendale is less Native American/Other than neighboring Fairfax (0.6% Native American/Other), Sycamore (4.4% Native American/Other), and Kline (3.9% Native American/Other).

Allendale's Multiracial Population

9 residents of Allendale, or 0.3% of the population, identify as Multiracial. The share of Multiracial residents in Allendale is slightly lower than in South Carolina overall, where 3.7% of the population is Multiracial. Allendale ranks 439th statewide in terms of Multiracial residents as a share of the population, out of 475 places.

Since the 2020 Census, Allendale's Multiracial population has declined by an estimated 76.9%. Multiracial residents' share of Allendale's population has decreased from 1.4% to 0.3%.

Allendale is more Multiracial than neighboring Sycamore (0% Multiracial), and Ulmer (0% Multiracial). Allendale is less Multiracial than neighboring Fairfax (0.8% Multiracial), Kline (3.2% Multiracial), and Brunson (7.2% 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.