Summerville, SC Demographics
A map of Summerville's Population by Race
Summerville, South Carolina has an estimated population of 51,654, a slight increase from the 50,915 recorded in the 2020 Census. The population is 63.8% White, 19.4% Black, 9.1% Hispanic, 5.4% Multiracial, 1.9% Asian, and 0.4% Native American/Other. This demographic dot map shows the population of Summerville, with one dot drawn for each person counted by the Census, color-coded by race.
Summerville has become more racially diverse since the 2020 Census. It is slightly 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 Summerville, that probability was 52.4% in 2020 and 54.4% in the most recent ACS estimates.
Summerville is ranked the 7th 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). Summerville was ranked the 7th most populous place in the 2020 Census.
Summerville's White Population
32,939 residents of Summerville, or 63.8% of the population, identify as White. The share of White residents in Summerville is comparable to the share in South Carolina overall, where 61.9% of the population is White. Summerville ranks 206th statewide in terms of White residents as a share of the population, out of 475 places.
Since the 2020 Census, Summerville's White population has remained roughly the same. White residents' share of Summerville's population has decreased from 65.3% to 63.8%.
Summerville is more White than neighboring Lincolnville (36.4% White), Ladson (44.2% White), North Charleston (38% White), and Ridgeville (32.1% White). Summerville is less White than neighboring Sangaree (64.9% White).
Summerville's Black Population
10,019 residents of Summerville, or 19.4% of the population, identify as Black. The share of Black residents in Summerville is lower than in South Carolina overall, where 24.6% of the population is Black. Summerville ranks 267th statewide in terms of Black residents as a share of the population, out of 475 places.
Since the 2020 Census, Summerville's Black population has declined by an estimated 4.2%. Black residents' share of Summerville's population has decreased from 20.5% to 19.4%.
Summerville is less Black than neighboring Lincolnville (53% Black), Sangaree (24.7% Black), Ladson (29.3% Black), North Charleston (41.3% Black), and Ridgeville (57.6% Black).
Summerville's Asian Population
984 residents of Summerville, or 1.9% of the population, identify as Asian. The share of Asian residents in Summerville is comparable to the share in South Carolina overall, where 1.7% of the population is Asian. Summerville ranks 99th statewide in terms of Asian residents as a share of the population, out of 475 places.
Since the 2020 Census, Summerville's Asian population has grown by an estimated 23.0%. Asian residents' share of Summerville's population has remained roughly unchanged at 1.9%.
Summerville is more Asian than neighboring Lincolnville (1.7% Asian), Sangaree (1.7% Asian), and Ridgeville (0.9% Asian). Summerville is less Asian than neighboring Ladson (4.6% Asian), and North Charleston (3.1% Asian).
Summerville's Hispanic Population
4,718 residents of Summerville, or 9.1% of the population, identify as Hispanic. The share of Hispanic residents in Summerville is comparable to the share in South Carolina overall, where 7.4% of the population is Hispanic. Summerville ranks 133rd statewide in terms of Hispanic residents as a share of the population, out of 475 places.
Since the 2020 Census, Summerville's Hispanic population has grown by an estimated 48.2%. Hispanic residents' share of Summerville's population has increased from 6.3% to 9.1%.
Summerville is more Hispanic than neighboring Lincolnville (3.2% Hispanic), Sangaree (5.8% Hispanic), and Ridgeville (5.1% Hispanic). Summerville is less Hispanic than neighboring Ladson (15.3% Hispanic), and North Charleston (12.9% Hispanic).
Summerville's Native American/Other Population
192 residents of Summerville, 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 Summerville is comparable to the share in South Carolina overall, where 0.7% of the population is Native American/Other. Summerville ranks 105th statewide in terms of Native American/Other residents as a share of the population, out of 475 places.
Since the 2020 Census, Summerville's Native American/Other population has declined by an estimated 64.3%. Native American/Other residents' share of Summerville's population has decreased from 1.1% to 0.4%.
Summerville is more Native American/Other than neighboring Sangaree (0.2% Native American/Other). Summerville is less Native American/Other than neighboring Lincolnville (3.7% Native American/Other), Ladson (1.8% Native American/Other), North Charleston (0.7% Native American/Other), and Ridgeville (1% Native American/Other).
Summerville's Multiracial Population
2,802 residents of Summerville, or 5.4% of the population, identify as Multiracial. The share of Multiracial residents in Summerville is comparable to the share in South Carolina overall, where 3.7% of the population is Multiracial. Summerville ranks 58th statewide in terms of Multiracial residents as a share of the population, out of 475 places.
Since the 2020 Census, Summerville's Multiracial population has grown by an estimated 4.7%. Multiracial residents' share of Summerville's population has remained roughly unchanged at 5.4%.
Summerville is more Multiracial than neighboring Lincolnville (2.1% Multiracial), Sangaree (2.6% Multiracial), Ladson (4.7% Multiracial), North Charleston (4% Multiracial), and Ridgeville (3.3% 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.