Rockville, SC Demographics

A map of Rockville's Population by Race

Rockville, South Carolina has an estimated population of 121, a large decrease from the 141 recorded in the 2020 Census. The population is 92.6% White, 4.1% Multiracial, 1.7% Hispanic, 1.7% Native American/Other, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of Rockville, with one dot drawn for each person counted by the Census, color-coded by race.

Rockville 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 Rockville, that probability was 20.7% in 2020 and 14.1% in the most recent ACS estimates.

Rockville is ranked the 437th 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). Rockville was ranked the 428th most populous place in the 2020 Census.

Rockville's White Population

112 residents of Rockville, or 92.6% of the population, identify as White. The share of White residents in Rockville is significantly higher than in South Carolina overall, where 61.9% of the population is White. Rockville ranks 44th statewide in terms of White residents as a share of the population, out of 475 places.

Since the 2020 Census, Rockville's White population has declined by an estimated 10.4%. White residents' share of Rockville's population has increased from 88.7% to 92.6%.

Rockville is more White than neighboring Meggett (89.7% White), and Hollywood (55.4% White). Rockville is less White than neighboring Seabrook Island (96.1% White), Kiawah Island (98.2% White), and Edisto Beach (98% White).

Rockville's Black Population

0 residents of Rockville, or 0.0% of the population, identify as Black. The share of Black residents in Rockville is significantly lower than in South Carolina overall, where 24.6% of the population is Black. Rockville ranks 386th statewide in terms of Black residents as a share of the population, out of 475 places.

Since the 2020 Census, Rockville's Black population has declined by an estimated 100.0%. Black residents' share of Rockville's population has decreased from 7.8% to 0.0%.

Rockville is less Black than neighboring Seabrook Island (0.2% Black), Meggett (7.5% Black), Kiawah Island (0.3% Black), Hollywood (38.8% Black), and Edisto Beach (0.1% Black).

Rockville's Asian Population

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

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

Rockville is less Asian than neighboring Seabrook Island (0.6% Asian), Meggett (0.2% Asian), Kiawah Island (1% Asian), Hollywood (1.4% Asian), and Edisto Beach (0.5% Asian).

Rockville's Hispanic Population

2 residents of Rockville, or 1.7% of the population, identify as Hispanic. The share of Hispanic residents in Rockville is lower than in South Carolina overall, where 7.4% of the population is Hispanic. Rockville ranks 325th statewide in terms of Hispanic residents as a share of the population, out of 475 places.

Since the 2020 Census, Rockville's Hispanic population has declined by an estimated 33.3%. Hispanic residents' share of Rockville's population has remained roughly unchanged at 1.7%.

Rockville is more Hispanic than neighboring Meggett (1.5% Hispanic), Kiawah Island (0.2% Hispanic), and Edisto Beach (0.5% Hispanic). Rockville is less Hispanic than neighboring Seabrook Island (1.8% Hispanic), and Hollywood (3% Hispanic).

Rockville's Native American/Other Population

2 residents of Rockville, or 1.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Rockville is comparable to the share in South Carolina overall, where 0.7% of the population is Native American/Other. Rockville ranks 420th statewide in terms of Native American/Other residents as a share of the population, out of 475 places.

Since the 2020 Census, Rockville's Native American/Other population has grown from 0 to an estimated 2. Native American/Other residents' share of Rockville's population has increased from 0.0% to 1.7%.

Rockville is more Native American/Other than neighboring Seabrook Island (0% Native American/Other), Meggett (0% Native American/Other), Kiawah Island (0% Native American/Other), Hollywood (0.2% Native American/Other), and Edisto Beach (0% Native American/Other).

Rockville's Multiracial Population

5 residents of Rockville, or 4.1% of the population, identify as Multiracial. The share of Multiracial residents in Rockville is comparable to the share in South Carolina overall, where 3.7% of the population is Multiracial. Rockville ranks 442nd statewide in terms of Multiracial residents as a share of the population, out of 475 places.

Since the 2020 Census, Rockville's Multiracial population has grown by an estimated 150.0%. Multiracial residents' share of Rockville's population has increased from 1.4% to 4.1%.

Rockville is more Multiracial than neighboring Seabrook Island (1.2% Multiracial), Meggett (1% Multiracial), Kiawah Island (0.3% Multiracial), Hollywood (1.2% Multiracial), and Edisto Beach (0.9% 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.