Rockville, MD Demographics

A map of Rockville's Population by Race

Rockville, Maryland has an estimated population of 67,671, a less than 1% change from the 67,117 recorded in the 2020 Census. The population is 43.2% White, 22.1% Asian, 18.1% Hispanic, 11.0% Black, 4.5% Multiracial, and 1.0% Native American/Other. 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 slightly more racially diverse since the 2020 Census. It is more diverse than Maryland 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 70.9% in 2020 and 71.7% in the most recent ACS estimates.

Rockville is ranked the 11th most populous place in Maryland, out of 536 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 12th most populous place in the 2020 Census.

Rockville's White Population

29,260 residents of Rockville, or 43.2% of the population, identify as White. The share of White residents in Rockville is slightly lower than in Maryland overall, where 46.6% of the population is White. Rockville ranks 399th statewide in terms of White residents as a share of the population, out of 536 places.

Since the 2020 Census, Rockville's White population has declined by an estimated 3.2%. White residents' share of Rockville's population has decreased from 45.0% to 43.2%.

Rockville is more White than neighboring Derwood (41.4% White), Redland (30.5% White), and Aspen Hill (31.3% White). Rockville is less White than neighboring North Bethesda (52.2% White), and Washington Grove (83.9% White).

Rockville's Black Population

7,462 residents of Rockville, or 11.0% of the population, identify as Black. The share of Black residents in Rockville is significantly lower than in Maryland overall, where 28.9% of the population is Black. Rockville ranks 240th statewide in terms of Black residents as a share of the population, out of 536 places.

Since the 2020 Census, Rockville's Black population has grown by an estimated 4.8%. Black residents' share of Rockville's population has remained roughly unchanged at 11.0%.

Rockville is more Black than neighboring North Bethesda (9% Black), and Washington Grove (1% Black). Rockville is less Black than neighboring Derwood (16.3% Black), Redland (13.8% Black), and Aspen Hill (15.1% Black).

Rockville's Asian Population

14,962 residents of Rockville, or 22.1% of the population, identify as Asian. The share of Asian residents in Rockville is significantly higher than in Maryland overall, where 6.5% of the population is Asian. Rockville ranks 10th statewide in terms of Asian residents as a share of the population, out of 536 places.

Since the 2020 Census, Rockville's Asian population has grown by an estimated 4.0%. Asian residents' share of Rockville's population has increased from 21.4% to 22.1%.

Rockville is more Asian than neighboring Derwood (14% Asian), Redland (19.8% Asian), North Bethesda (16.1% Asian), Washington Grove (4.7% Asian), and Aspen Hill (9.4% Asian).

Rockville's Hispanic Population

12,242 residents of Rockville, or 18.1% of the population, identify as Hispanic. The share of Hispanic residents in Rockville is higher than in Maryland overall, where 12.5% of the population is Hispanic. Rockville ranks 70th statewide in terms of Hispanic residents as a share of the population, out of 536 places.

Since the 2020 Census, Rockville's Hispanic population has grown by an estimated 8.0%. Hispanic residents' share of Rockville's population has increased from 16.9% to 18.1%.

Rockville is more Hispanic than neighboring Derwood (11.1% Hispanic), North Bethesda (16.9% Hispanic), and Washington Grove (4.3% Hispanic). Rockville is less Hispanic than neighboring Redland (29.6% Hispanic), and Aspen Hill (36.6% Hispanic).

Rockville's Native American/Other Population

703 residents of Rockville, or 1.0% 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 Maryland overall, where 0.8% of the population is Native American/Other. Rockville ranks 114th statewide in terms of Native American/Other residents as a share of the population, out of 536 places.

Since the 2020 Census, Rockville's Native American/Other population has grown by an estimated 2.5%. Native American/Other residents' share of Rockville's population has remained roughly unchanged at 1.0%.

Rockville is more Native American/Other than neighboring Redland (0.6% Native American/Other), North Bethesda (0.8% Native American/Other), and Washington Grove (0.2% Native American/Other). Rockville is less Native American/Other than neighboring Derwood (6.7% Native American/Other), and Aspen Hill (2.7% Native American/Other).

Rockville's Multiracial Population

3,042 residents of Rockville, or 4.5% of the population, identify as Multiracial. The share of Multiracial residents in Rockville is comparable to the share in Maryland overall, where 4.6% of the population is Multiracial. Rockville ranks 175th statewide in terms of Multiracial residents as a share of the population, out of 536 places.

Since the 2020 Census, Rockville's Multiracial population has declined by an estimated 9.7%. Multiracial residents' share of Rockville's population has decreased from 5.0% to 4.5%.

Rockville is less Multiracial than neighboring Derwood (10.6% Multiracial), Redland (5.8% Multiracial), North Bethesda (5% Multiracial), Washington Grove (5.9% Multiracial), and Aspen Hill (4.9% 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.