Blenheim, SC Demographics

A map of Blenheim's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	56	60	68.3%	52.2%
Black	19	49	23.2%	42.6%
Native American/Other	6	0	7.3%	0.0%
Multiracial	1	5	1.2%	4.3%
Asian	0	0	0.0%	0.0%
Hispanic	0	1	0.0%	0.9%

Blenheim, South Carolina has an estimated population of 82, a large decrease from the 115 recorded in the 2020 Census. The population is 68.3% White, 23.2% Black, 7.3% Native American/Other, 1.2% Multiracial, 0.0% Asian, and 0.0% Hispanic. This demographic dot map shows the population of Blenheim, with one dot drawn for each person counted by the Census, color-coded by race.

Blenheim 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 Blenheim, that probability was 54.4% in 2020 and 47.4% in the most recent ACS estimates.

Blenheim is ranked the 453rd 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). Blenheim was ranked the 443rd most populous place in the 2020 Census.

Blenheim's White Population

56 residents of Blenheim, or 68.3% of the population, identify as White. The share of White residents in Blenheim is higher than in South Carolina overall, where 61.9% of the population is White. Blenheim ranks 290th statewide in terms of White residents as a share of the population, out of 475 places.

Since the 2020 Census, Blenheim's White population has declined by an estimated 6.7%. White residents' share of Blenheim's population has increased from 52.2% to 68.3%.

Blenheim is more White than neighboring Bennettsville (28.3% White), Clio (13.3% White), Tatum (63.8% White), McColl (41.3% White), and Society Hill (53.1% White).

Blenheim's Black Population

19 residents of Blenheim, or 23.2% of the population, identify as Black. The share of Black residents in Blenheim is comparable to the share in South Carolina overall, where 24.6% of the population is Black. Blenheim ranks 144th statewide in terms of Black residents as a share of the population, out of 475 places.

Since the 2020 Census, Blenheim's Black population has declined by an estimated 61.2%. Black residents' share of Blenheim's population has decreased from 42.6% to 23.2%.

Blenheim is more Black than neighboring Tatum (0% Black). Blenheim is less Black than neighboring Bennettsville (59% Black), Clio (62.4% Black), McColl (31.4% Black), and Society Hill (39.9% Black).

Blenheim's Asian Population

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

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

Blenheim is less Asian than neighboring Bennettsville (1.1% Asian), and McColl (0.2% Asian).

Blenheim's Hispanic Population

0 residents of Blenheim, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Blenheim is lower than in South Carolina overall, where 7.4% of the population is Hispanic. Blenheim ranks 442nd statewide in terms of Hispanic residents as a share of the population, out of 475 places.

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

Blenheim is less Hispanic than neighboring Bennettsville (2.1% Hispanic), Clio (9.8% Hispanic), and McColl (3.2% Hispanic).

Blenheim's Native American/Other Population

6 residents of Blenheim, or 7.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Blenheim is higher than in South Carolina overall, where 0.7% of the population is Native American/Other. Blenheim ranks 420th statewide in terms of Native American/Other residents as a share of the population, out of 475 places.

Since the 2020 Census, Blenheim's Native American/Other population has grown from 0 to an estimated 6. Native American/Other residents' share of Blenheim's population has increased from 0.0% to 7.3%.

Blenheim is more Native American/Other than neighboring Bennettsville (2.5% Native American/Other), McColl (6.4% Native American/Other), and Society Hill (4.6% Native American/Other). Blenheim is less Native American/Other than neighboring Clio (10.2% Native American/Other), and Tatum (36.3% Native American/Other).

Blenheim's Multiracial Population

1 residents of Blenheim, or 1.2% of the population, identify as Multiracial. The share of Multiracial residents in Blenheim is slightly lower than in South Carolina overall, where 3.7% of the population is Multiracial. Blenheim ranks 127th statewide in terms of Multiracial residents as a share of the population, out of 475 places.

Since the 2020 Census, Blenheim's Multiracial population has declined by an estimated 80.0%. Multiracial residents' share of Blenheim's population has decreased from 4.3% to 1.2%.

Blenheim is more Multiracial than neighboring Tatum (0% Multiracial). Blenheim is less Multiracial than neighboring Bennettsville (7% Multiracial), Clio (4.3% Multiracial), McColl (17.5% Multiracial), and Society Hill (2.3% 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.