State Plates
The Black Population of Massachusetts
About 630,000 Black Massachusetts residents — one in eleven — anchored by Boston, Springfield, and the Commonwealth's abolition-era roots. The census profile.
Distribution Across the State
Massachusetts holds about 630,000 Black residents — Black alone or in combination — roughly one in eleven of its people, with Black alone at about 452,000, or 6.4 percent. The Commonwealth's Black community is the oldest continuously free one in America in the modern sense — abolition reached it a generation before the Civil War, its free Black communities built institutions while slavery still stood elsewhere — and its modern population is the most immigrant-heavy of any northern state, dominated by the Caribbean diaspora. Boston holds the center; Springfield the second; and the state universities' orbit the rest.
Massachusetts's Black institutional record is the nation's deepest. The African Meeting House on Beacon Hill (1806) is the oldest surviving Black church building in the country; the Abiel Smith School (1835) was among the first public schools built for Black children; the 54th Massachusetts Regiment's assault on Fort Wagner is the Civil War's most famous Black military episode; and Boston's abolitionist organizations — the Massachusetts Anti-Slavery Society, the Vigilance Committee's Underground Railroad work — were the movement's institutional core. The modern institutions descend directly: the Boston Black church network, the Museum of African American History's two sites (Beacon Hill and Nantucket — the island's Black whaling community is the state's second-oldest), and the university layer (Boston University, Harvard, Tufts, UMass Boston, and the Roxbury-based institutions) carry the education data. The state has no HBCU; the Black college presence runs through the majority institutions and the Roxbury Community College's role.
The State on the National Plate
On the national plate, Massachusetts sits in the 6 to 11 percent band. Its Black alone share of 8 percent — 26 of the fifty-one geographies mapped — stands against a national figure of 13.5 percent, and its Black population, 630,000 alone or in combination, is one of the building blocks of the national total of 52.8 million. An atlas reads Massachusetts two ways at once: by the size of its community, and by that community's weight inside the whole population. Massachusetts is legible on both readings, and this section of the atlas holds the two side by side.
Where the general meets the particular is the table of Massachusetts; read the two together. In Massachusetts's band — the 6 to 11 percent band — the shaded peers include California, Connecticut, Indiana and Kansas. In Massachusetts, banding is a cartographer's compromise: it trades precision for pattern, letting the eye take in the geography of a whole country at once. The table restores the precision the shading rounds away, carrying the published share and count for Massachusetts exactly as the source agency releases them.
In Massachusetts, every figure on this plate descends from the federal count of the whole population — the decennial census and the American Community Survey that updates it between census years. Those instruments count everyone, which is what makes a share meaningful: 8 percent is not a sample of Black Massachusetts, it is Black Massachusetts measured against all of Massachusetts. In Massachusetts, the atlas's other plates return to this population again and again, because income, schooling, health, and ownership are all attributes of the people counted here, in this place, first.
The modern composition is the profile's most distinctive fact outside the South: Massachusetts's Black population is among the most foreign-born of any state in this reference — roughly a third of Black residents are immigrants in the survey data, the largest shares Haitian, Jamaican, Dominican (counted in the Black totals by self-identification), Cape Verdean (a community of unusual size and concentration — New Bedford and Boston hold the largest Cape Verdean populations in the United States), and West African (Ghanaian and Nigerian above all). The composition reshapes every table: the age structure younger, the household structures more varied, the language data distinctive, the school-enrollment data of Boston and Brockton dominated by the diaspora's second generation. The native-born Black population — the Beacon Hill and Roxbury descendants, the Springfield old families — remains institutionally central while numerically a minority of the whole.
Massachusetts's profile should be quoted with two sentences: the oldest free Black community in America, and the most Caribbean of any northern state's Black population. The first explains the institutions; the second explains the demography; together they make 630,000 people the Commonwealth's most historically weighted minority population by a wide margin.
| Measure | Figure |
|---|---|
| Black share of the state population (alone) | 8% |
| Black share, alone or in combination | 9% |
| Black residents, alone or in combination | 630,000 |
| Black residents of the United States, alone or in combination (Census Bureau population estimates) | 52.8 million |
| Black share of the United States population, alone (population estimates) | 13.5% |
Source: U.S. Census Bureau, 2020 Census; American Community Survey; Population Estimates Program. Method: Figures are drawn from the published federal sources named on this page, for the geography named; tile shading bands the published Black population share into the five legend classes. Counts are rounded as published by the source agency, and national benchmark rows are labeled with the basis they are published on.