Quincy, MA Demographics

A map of Quincy's Population by Race

Quincy, Massachusetts has an estimated population of 102,114, a less than 1% change from the 101,636 recorded in the 2020 Census. The population is 53.7% White, 29.1% Asian, 6.5% Hispanic, 6.0% Black, 3.4% Multiracial, and 1.2% Native American/Other. This demographic dot map shows the population of Quincy, with one dot drawn for each person counted by the Census, color-coded by race.

Quincy has become more racially diverse since the 2020 Census. It is considerably more diverse than Massachusetts overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Quincy, that probability was 60.6% in 2020 and 61.8% in the most recent ACS estimates.

Quincy is ranked the 7th most populous place in Massachusetts, out of 248 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). Quincy was ranked the 7th most populous place in the 2020 Census.

Quincy's White Population

54,799 residents of Quincy, or 53.7% of the population, identify as White. The share of White residents in Quincy is considerably lower than in Massachusetts overall, where 66.6% of the population is White. Quincy ranks 233rd statewide in terms of White residents as a share of the population, out of 248 places.

Since the 2020 Census, Quincy's White population has remained roughly the same. White residents' share of Quincy's population has decreased from 54.2% to 53.7%.

Quincy is more White than neighboring Boston (44.1% White), and Randolph Town (27.4% White). Quincy is less White than neighboring Braintree Town (66.8% White), Milton (69.7% White), and Weymouth Town (78.9% White).

Quincy's Black Population

6,141 residents of Quincy, or 6.0% of the population, identify as Black. The share of Black residents in Quincy is comparable to the share in Massachusetts overall, where 6.4% of the population is Black. Quincy ranks 35th statewide in terms of Black residents as a share of the population, out of 248 places.

Since the 2020 Census, Quincy's Black population has grown by an estimated 12.7%. Black residents' share of Quincy's population has increased from 5.4% to 6.0%.

Quincy is more Black than neighboring Braintree Town (3.4% Black), and Weymouth Town (4% Black). Quincy is less Black than neighboring Boston (19.3% Black), Milton (16.1% Black), and Randolph Town (39.8% Black).

Quincy's Asian Population

29,748 residents of Quincy, or 29.1% of the population, identify as Asian. The share of Asian residents in Quincy is significantly higher than in Massachusetts overall, where 7.3% of the population is Asian. Quincy ranks 2nd statewide in terms of Asian residents as a share of the population, out of 248 places.

Since the 2020 Census, Quincy's Asian population has declined by an estimated 4.6%. Asian residents' share of Quincy's population has decreased from 30.7% to 29.1%.

Quincy is more Asian than neighboring Braintree Town (22.2% Asian), Boston (10.3% Asian), Milton (5.6% Asian), Weymouth Town (7.9% Asian), and Randolph Town (12.3% Asian).

Quincy's Hispanic Population

6,673 residents of Quincy, or 6.5% of the population, identify as Hispanic. The share of Hispanic residents in Quincy is lower than in Massachusetts overall, where 13.3% of the population is Hispanic. Quincy ranks 94th statewide in terms of Hispanic residents as a share of the population, out of 248 places.

Since the 2020 Census, Quincy's Hispanic population has grown by an estimated 28.0%. Hispanic residents' share of Quincy's population has increased from 5.1% to 6.5%.

Quincy is more Hispanic than neighboring Braintree Town (3.2% Hispanic), Milton (3.2% Hispanic), and Weymouth Town (4.4% Hispanic). Quincy is less Hispanic than neighboring Boston (19.3% Hispanic), and Randolph Town (14.4% Hispanic).

Quincy's Native American/Other Population

1,231 residents of Quincy, 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 Quincy is comparable to the share in Massachusetts overall, where 1.3% of the population is Native American/Other. Quincy ranks 80th statewide in terms of Native American/Other residents as a share of the population, out of 248 places.

Since the 2020 Census, Quincy's Native American/Other population has grown by an estimated 7.6%. Native American/Other residents' share of Quincy's population has remained roughly unchanged at 1.2%.

Quincy is more Native American/Other than neighboring Braintree Town (1.1% Native American/Other), Milton (0.7% Native American/Other), Weymouth Town (1% Native American/Other), and Randolph Town (0.8% Native American/Other).

Quincy's Multiracial Population

3,522 residents of Quincy, or 3.4% of the population, identify as Multiracial. The share of Multiracial residents in Quincy is comparable to the share in Massachusetts overall, where 5.1% of the population is Multiracial. Quincy ranks 168th statewide in terms of Multiracial residents as a share of the population, out of 248 places.

Since the 2020 Census, Quincy's Multiracial population has declined by an estimated 1.6%. Multiracial residents' share of Quincy's population has remained roughly unchanged at 3.4%.

Quincy is more Multiracial than neighboring Braintree Town (3.3% Multiracial). Quincy is less Multiracial than neighboring Boston (5.9% Multiracial), Milton (4.6% Multiracial), Weymouth Town (3.7% Multiracial), and Randolph Town (5.2% 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.