Rock Hill, MO Demographics

A map of Rock Hill's Population by Race

Rock Hill, Missouri has an estimated population of 4,693, a slight decrease from the 4,750 recorded in the 2020 Census. The population is 69.5% White, 21.9% Black, 2.9% Multiracial, 2.7% Hispanic, 1.7% Asian, and 1.2% Native American/Other. This demographic dot map shows the population of Rock Hill, with one dot drawn for each person counted by the Census, color-coded by race.

Rock Hill is about as racially diverse as it was in the 2020 Census. It is considerably more diverse than Missouri overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Rock Hill, that probability was 46.9% in 2020 and 46.7% in the most recent ACS estimates.

Rock Hill is ranked the 155th most populous place in Missouri, out of 1,082 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). Rock Hill was ranked the 148th most populous place in the 2020 Census.

Rock Hill's White Population

3,262 residents of Rock Hill, or 69.5% of the population, identify as White. The share of White residents in Rock Hill is lower than in Missouri overall, where 76.3% of the population is White. Rock Hill ranks 968th statewide in terms of White residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Rock Hill's White population has declined by an estimated 2.5%. White residents' share of Rock Hill's population has decreased from 70.5% to 69.5%.

Rock Hill is less White than neighboring Glendale (92.5% White), Brentwood (77.9% White), Warson Woods (87% White), Webster Groves (81.1% White), and Ladue (85.6% White).

Rock Hill's Black Population

1,030 residents of Rock Hill, or 21.9% of the population, identify as Black. The share of Black residents in Rock Hill is considerably higher than in Missouri overall, where 10.9% of the population is Black. Rock Hill ranks 81st statewide in terms of Black residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Rock Hill's Black population has grown by an estimated 28.3%. Black residents' share of Rock Hill's population has increased from 16.9% to 21.9%.

Rock Hill is more Black than neighboring Glendale (0% Black), Brentwood (2.9% Black), Warson Woods (0.3% Black), Webster Groves (5.2% Black), and Ladue (1.3% Black).

Rock Hill's Asian Population

81 residents of Rock Hill, or 1.7% of the population, identify as Asian. The share of Asian residents in Rock Hill is comparable to the share in Missouri overall, where 2.1% of the population is Asian. Rock Hill ranks 92nd statewide in terms of Asian residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Rock Hill's Asian population has declined by an estimated 19.0%. Asian residents' share of Rock Hill's population has remained roughly unchanged at 1.7%.

Rock Hill is more Asian than neighboring Glendale (1.1% Asian). Rock Hill is less Asian than neighboring Brentwood (7.1% Asian), Warson Woods (2.7% Asian), Webster Groves (1.8% Asian), and Ladue (6.7% Asian).

Rock Hill's Hispanic Population

127 residents of Rock Hill, or 2.7% of the population, identify as Hispanic. The share of Hispanic residents in Rock Hill is slightly lower than in Missouri overall, where 5.2% of the population is Hispanic. Rock Hill ranks 276th statewide in terms of Hispanic residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Rock Hill's Hispanic population has declined by an estimated 28.7%. Hispanic residents' share of Rock Hill's population has decreased from 3.7% to 2.7%.

Rock Hill is more Hispanic than neighboring Glendale (2.3% Hispanic), Brentwood (1.4% Hispanic), Warson Woods (2% Hispanic), and Ladue (1.6% Hispanic). Rock Hill is less Hispanic than neighboring Webster Groves (3.3% Hispanic).

Rock Hill's Native American/Other Population

58 residents of Rock Hill, or 1.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Rock Hill is comparable to the share in Missouri overall, where 0.7% of the population is Native American/Other. Rock Hill ranks 397th statewide in terms of Native American/Other residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Rock Hill's Native American/Other population has grown by an estimated 48.7%. Native American/Other residents' share of Rock Hill's population has remained roughly unchanged at 1.2%.

Rock Hill is more Native American/Other than neighboring Glendale (0% Native American/Other), Brentwood (0.4% Native American/Other), Warson Woods (0% Native American/Other), Webster Groves (0.2% Native American/Other), and Ladue (0.9% Native American/Other).

Rock Hill's Multiracial Population

135 residents of Rock Hill, or 2.9% of the population, identify as Multiracial. The share of Multiracial residents in Rock Hill is comparable to the share in Missouri overall, where 4.8% of the population is Multiracial. Rock Hill ranks 318th statewide in terms of Multiracial residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Rock Hill's Multiracial population has declined by an estimated 52.3%. Multiracial residents' share of Rock Hill's population has decreased from 6.0% to 2.9%.

Rock Hill is less Multiracial than neighboring Glendale (4.1% Multiracial), Brentwood (10.3% Multiracial), Warson Woods (7.9% Multiracial), Webster Groves (8.4% Multiracial), and Ladue (3.9% 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.