Barnwell, SC Demographics

A map of Barnwell's Population by Race

Barnwell, South Carolina has an estimated population of 4,613, a less than 1% change from the 4,652 recorded in the 2020 Census. The population is 45.9% Black, 45.8% White, 3.4% Hispanic, 3.0% Multiracial, 1.4% Asian, and 0.5% Native American/Other. This demographic dot map shows the population of Barnwell, with one dot drawn for each person counted by the Census, color-coded by race.

Barnwell is about as racially diverse as it was in the 2020 Census. It is 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 Barnwell, that probability was 57.5% in 2020 and 57.8% in the most recent ACS estimates.

Barnwell is ranked the 106th 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). Barnwell was ranked the 108th most populous place in the 2020 Census.

Barnwell's White Population

2,111 residents of Barnwell, or 45.8% of the population, identify as White. The share of White residents in Barnwell is significantly lower than in South Carolina overall, where 61.9% of the population is White. Barnwell ranks 354th statewide in terms of White residents as a share of the population, out of 475 places.

Since the 2020 Census, Barnwell's White population has grown by an estimated 14.3%. White residents' share of Barnwell's population has increased from 39.7% to 45.8%.

Barnwell is more White than neighboring Elko (18.6% White), and Blackville (7.7% White). Barnwell is less White than neighboring Snelling (78.5% White), Kline (64.9% White), and Hilda (83.8% White).

Barnwell's Black Population

2,117 residents of Barnwell, or 45.9% of the population, identify as Black. The share of Black residents in Barnwell is significantly higher than in South Carolina overall, where 24.6% of the population is Black. Barnwell ranks 108th statewide in terms of Black residents as a share of the population, out of 475 places.

Since the 2020 Census, Barnwell's Black population has declined by an estimated 11.5%. Black residents' share of Barnwell's population has decreased from 51.4% to 45.9%.

Barnwell is more Black than neighboring Snelling (12.3% Black), Kline (13.6% Black), and Hilda (12% Black). Barnwell is less Black than neighboring Elko (66.6% Black), and Blackville (89.2% Black).

Barnwell's Asian Population

63 residents of Barnwell, or 1.4% of the population, identify as Asian. The share of Asian residents in Barnwell is comparable to the share in South Carolina overall, where 1.7% of the population is Asian. Barnwell ranks 62nd statewide in terms of Asian residents as a share of the population, out of 475 places.

Since the 2020 Census, Barnwell's Asian population has declined by an estimated 37.0%. Asian residents' share of Barnwell's population has decreased from 2.1% to 1.4%.

Barnwell is more Asian than neighboring Snelling (0% Asian), Kline (0% Asian), Elko (0% Asian), and Blackville (0% Asian). Barnwell is less Asian than neighboring Hilda (3.2% Asian).

Barnwell's Hispanic Population

157 residents of Barnwell, or 3.4% of the population, identify as Hispanic. The share of Hispanic residents in Barnwell is slightly lower than in South Carolina overall, where 7.4% of the population is Hispanic. Barnwell ranks 330th statewide in terms of Hispanic residents as a share of the population, out of 475 places.

Since the 2020 Census, Barnwell's Hispanic population has grown by an estimated 61.9%. Hispanic residents' share of Barnwell's population has increased from 2.1% to 3.4%.

Barnwell is more Hispanic than neighboring Hilda (0% Hispanic), Elko (0% Hispanic), and Blackville (0% Hispanic). Barnwell is less Hispanic than neighboring Snelling (8.7% Hispanic), and Kline (14.3% Hispanic).

Barnwell's Native American/Other Population

25 residents of Barnwell, or 0.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Barnwell is comparable to the share in South Carolina overall, where 0.7% of the population is Native American/Other. Barnwell ranks 139th statewide in terms of Native American/Other residents as a share of the population, out of 475 places.

Since the 2020 Census, Barnwell's Native American/Other population has declined by an estimated 41.9%. Native American/Other residents' share of Barnwell's population has remained roughly unchanged at 0.5%.

Barnwell is more Native American/Other than neighboring Snelling (0% Native American/Other), Hilda (0% Native American/Other), Elko (0% Native American/Other), and Blackville (0% Native American/Other). Barnwell is less Native American/Other than neighboring Kline (3.9% Native American/Other).

Barnwell's Multiracial Population

140 residents of Barnwell, or 3.0% of the population, identify as Multiracial. The share of Multiracial residents in Barnwell is comparable to the share in South Carolina overall, where 3.7% of the population is Multiracial. Barnwell ranks 208th statewide in terms of Multiracial residents as a share of the population, out of 475 places.

Since the 2020 Census, Barnwell's Multiracial population has declined by an estimated 18.6%. Multiracial residents' share of Barnwell's population has decreased from 3.7% to 3.0%.

Barnwell is more Multiracial than neighboring Snelling (0.5% Multiracial), and Hilda (1.1% Multiracial). Barnwell is less Multiracial than neighboring Kline (3.2% Multiracial), Elko (14.9% Multiracial), and Blackville (3.1% 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.