Lancaster County Demographics

A map of Lancaster County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	70,227	64,927	67.2%	67.6%
Black	20,113	19,101	19.3%	19.9%
Hispanic	7,808	6,294	7.5%	6.6%
Multiracial	3,316	3,358	3.2%	3.5%
Asian	2,605	1,765	2.5%	1.8%
Native American/Other	406	571	0.4%	0.6%

Lancaster County, South Carolina has an estimated population of 104,475, an increase from the 96,016 recorded in the 2020 Census. The population is 67.2% White, 19.3% Black, 7.5% Hispanic, 3.2% Multiracial, 2.5% Asian, and 0.4% Native American/Other. This demographic dot map shows the population of Lancaster County, with one dot drawn for each person counted by the Census, color-coded by race.

Lancaster has become slightly 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 Lancaster County, that probability was 49.7% in 2020 and 50.4% in the most recent ACS estimates.

Lancaster County is ranked the 16th most populous county in South Carolina, out of 46 counties. Lancaster County was ranked the 16th most populous county in the 2020 Census.

Lancaster County's White Population

70,227 residents of Lancaster County, or 67.2% of the population, identify as White. The share of White residents in Lancaster County is higher than in South Carolina overall, where 61.9% of the population is White. Lancaster County ranks 9th statewide in terms of White residents as a share of the population, out of 46 counties.

Since the 2020 Census, Lancaster County's White population has grown by an estimated 8.2%. White residents' share of Lancaster County's population has remained roughly unchanged at 67.2%.

Lancaster County is more White than neighboring Union County (66.8% White), Kershaw County (65.8% White), Chester County (57.7% White), Fairfield County (38.9% White), and Chesterfield County (58.4% White).

Lancaster County's Black Population

20,113 residents of Lancaster County, or 19.3% of the population, identify as Black. The share of Black residents in Lancaster County is lower than in South Carolina overall, where 24.6% of the population is Black. Lancaster County ranks 37th statewide in terms of Black residents as a share of the population, out of 46 counties.

Since the 2020 Census, Lancaster County's Black population has grown by an estimated 5.3%. Black residents' share of Lancaster County's population has decreased from 19.9% to 19.3%.

Lancaster County is more Black than neighboring Union County (10.9% Black). Lancaster County is less Black than neighboring Kershaw County (23.7% Black), Chester County (34.5% Black), Fairfield County (54.5% Black), and Chesterfield County (30% Black).

Lancaster County's Asian Population

2,605 residents of Lancaster County, or 2.5% of the population, identify as Asian. The share of Asian residents in Lancaster County is comparable to the share in South Carolina overall, where 1.7% of the population is Asian. Lancaster County ranks 9th statewide in terms of Asian residents as a share of the population, out of 46 counties.

Since the 2020 Census, Lancaster County's Asian population has grown by an estimated 47.6%. Asian residents' share of Lancaster County's population has increased from 1.8% to 2.5%.

Lancaster County is more Asian than neighboring Kershaw County (0.7% Asian), Chester County (0.4% Asian), Fairfield County (0.1% Asian), and Chesterfield County (0.5% Asian). Lancaster County is less Asian than neighboring Union County (4.5% Asian).

Lancaster County's Hispanic Population

7,808 residents of Lancaster County, or 7.5% of the population, identify as Hispanic. The share of Hispanic residents in Lancaster County is comparable to the share in South Carolina overall, where 7.4% of the population is Hispanic. Lancaster County ranks 15th statewide in terms of Hispanic residents as a share of the population, out of 46 counties.

Since the 2020 Census, Lancaster County's Hispanic population has grown by an estimated 24.1%. Hispanic residents' share of Lancaster County's population has increased from 6.6% to 7.5%.

Lancaster County is more Hispanic than neighboring Kershaw County (5.9% Hispanic), Chester County (3% Hispanic), Fairfield County (2.5% Hispanic), and Chesterfield County (5.9% Hispanic). Lancaster County is less Hispanic than neighboring Union County (13.4% Hispanic).

Lancaster County's Native American/Other Population

406 residents of Lancaster County, 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 Lancaster County is comparable to the share in South Carolina overall, where 0.7% of the population is Native American/Other. Lancaster County ranks 30th statewide in terms of Native American/Other residents as a share of the population, out of 46 counties.

Since the 2020 Census, Lancaster County's Native American/Other population has declined by an estimated 28.9%. Native American/Other residents' share of Lancaster County's population has remained roughly unchanged at 0.4%.

Lancaster County is more Native American/Other than neighboring Kershaw County (0.2% Native American/Other). Lancaster County is less Native American/Other than neighboring Union County (0.6% Native American/Other), Chester County (0.5% Native American/Other), Fairfield County (0.6% Native American/Other), and Chesterfield County (0.5% Native American/Other).

Lancaster County's Multiracial Population

3,316 residents of Lancaster County, or 3.2% of the population, identify as Multiracial. The share of Multiracial residents in Lancaster County is comparable to the share in South Carolina overall, where 3.7% of the population is Multiracial. Lancaster County ranks 21st statewide in terms of Multiracial residents as a share of the population, out of 46 counties.

Since the 2020 Census, Lancaster County's Multiracial population has declined by an estimated 1.3%. Multiracial residents' share of Lancaster County's population has remained roughly unchanged at 3.2%.

Lancaster County is less Multiracial than neighboring Union County (3.8% Multiracial), Kershaw County (3.6% Multiracial), Chester County (3.9% Multiracial), Fairfield County (3.5% Multiracial), and Chesterfield County (4.7% 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.