Rockville, CT Demographics

A map of Rockville's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	4,269	4,665	60.4%	58.9%
Hispanic	1,270	1,407	18.0%	17.8%
Black	695	970	9.8%	12.2%
Asian	439	306	6.2%	3.9%
Native American/Other	209	58	3.0%	0.7%
Multiracial	190	514	2.7%	6.5%

Rockville, Connecticut has an estimated population of 7,072, a large decrease from the 7,920 recorded in the 2020 Census. The population is 60.4% White, 18.0% Hispanic, 9.8% Black, 6.2% Asian, 3.0% Native American/Other, and 2.7% Multiracial. 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 less racially diverse since the 2020 Census. It is more diverse than Connecticut 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 60.1% in 2020 and 58.8% in the most recent ACS estimates.

Rockville is ranked the 50th most populous place in Connecticut, out of 215 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 45th most populous place in the 2020 Census.

Rockville's White Population

4,269 residents of Rockville, or 60.4% of the population, identify as White. The share of White residents in Rockville is comparable to the share in Connecticut overall, where 61.9% of the population is White. Rockville ranks 193rd statewide in terms of White residents as a share of the population, out of 215 places.

Since the 2020 Census, Rockville's White population has declined by an estimated 8.5%. White residents' share of Rockville's population has increased from 58.9% to 60.4%.

Rockville is more White than neighboring Broad Brook (59.1% White), and Manchester (51.9% White). Rockville is less White than neighboring Crystal Lake (82.8% White), Somers (71.3% White), and Hazardville (83.9% White).

Rockville's Black Population

695 residents of Rockville, or 9.8% of the population, identify as Black. The share of Black residents in Rockville is comparable to the share in Connecticut overall, where 9.8% of the population is Black. Rockville ranks 15th statewide in terms of Black residents as a share of the population, out of 215 places.

Since the 2020 Census, Rockville's Black population has declined by an estimated 28.4%. Black residents' share of Rockville's population has decreased from 12.2% to 9.8%.

Rockville is more Black than neighboring Crystal Lake (0% Black), Somers (1.1% Black), and Hazardville (2.4% Black). Rockville is less Black than neighboring Broad Brook (17.8% Black), and Manchester (16.8% Black).

Rockville's Asian Population

439 residents of Rockville, or 6.2% of the population, identify as Asian. The share of Asian residents in Rockville is comparable to the share in Connecticut overall, where 4.7% of the population is Asian. Rockville ranks 75th statewide in terms of Asian residents as a share of the population, out of 215 places.

Since the 2020 Census, Rockville's Asian population has grown by an estimated 43.5%. Asian residents' share of Rockville's population has increased from 3.9% to 6.2%.

Rockville is more Asian than neighboring Broad Brook (2.6% Asian), Manchester (5.1% Asian), Somers (0% Asian), and Hazardville (2.1% Asian). Rockville is less Asian than neighboring Crystal Lake (8.9% Asian).

Rockville's Hispanic Population

1,270 residents of Rockville, or 18.0% of the population, identify as Hispanic. The share of Hispanic residents in Rockville is comparable to the share in Connecticut overall, where 18.3% of the population is Hispanic. Rockville ranks 25th statewide in terms of Hispanic residents as a share of the population, out of 215 places.

Since the 2020 Census, Rockville's Hispanic population has declined by an estimated 9.7%. Hispanic residents' share of Rockville's population has remained roughly unchanged at 18.0%.

Rockville is more Hispanic than neighboring Crystal Lake (3.7% Hispanic), Broad Brook (6.7% Hispanic), Somers (4.9% Hispanic), and Hazardville (6.5% Hispanic). Rockville is less Hispanic than neighboring Manchester (20.7% Hispanic).

Rockville's Native American/Other Population

209 residents of Rockville, or 3.0% 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 Connecticut overall, where 1% of the population is Native American/Other. Rockville ranks 88th statewide in terms of Native American/Other residents as a share of the population, out of 215 places.

Since the 2020 Census, Rockville's Native American/Other population has grown by an estimated 260.3%. Native American/Other residents' share of Rockville's population has increased from 0.7% to 3.0%.

Rockville is more Native American/Other than neighboring Crystal Lake (0% Native American/Other), Broad Brook (1.6% Native American/Other), Manchester (1% Native American/Other), and Hazardville (0.8% Native American/Other). Rockville is less Native American/Other than neighboring Somers (21.7% Native American/Other).

Rockville's Multiracial Population

190 residents of Rockville, or 2.7% of the population, identify as Multiracial. The share of Multiracial residents in Rockville is comparable to the share in Connecticut overall, where 4.3% of the population is Multiracial. Rockville ranks 20th statewide in terms of Multiracial residents as a share of the population, out of 215 places.

Since the 2020 Census, Rockville's Multiracial population has declined by an estimated 63.0%. Multiracial residents' share of Rockville's population has decreased from 6.5% to 2.7%.

Rockville is more Multiracial than neighboring Somers (1% Multiracial). Rockville is less Multiracial than neighboring Crystal Lake (4.6% Multiracial), Broad Brook (12.2% Multiracial), Manchester (4.5% Multiracial), and Hazardville (4.3% 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.