State Plates

Movement and Change: Black District of Columbia

Populations move, and the census counts the result. This plate reads the movement record of Black District of Columbia — the growth, the arrivals, and the departures written into the published counts for the state, whose Black population stands at 310,000, alone or in combination, 41 percent of the state on the alone count.

Growth and Migration

For the District of Columbia, the national movement figures are the current; the state's own distribution, tabled below, is where the current lands. The District's Black share peaked at about 71 percent in 1970 — the crest of a century of arrival, from the free Black community that predated the Civil War through Reconstruction's influx and the Great Migration's southern streams — and has fallen since, not because the community left the region but because it suburbanized: the metropolitan area's Black population now totals roughly 1.6 million, most of it beyond the District line in counties like Prince George's. Below are the rows where the general becomes specific — they are District of Columbia's own, tabled for exactly that turn.

The migration currents read locally in the District of Columbia, where the state rows below set the population whose movement the national pattern frames. The District's Black composition is layered: descendants of one of the nation's oldest free Black communities, of the southern in-migration that made the city majority Black, and of an African immigration — Ethiopian and Eritrean communities prominent among them — that has made the Washington area one of the great African gateways of the United States. Not to rank District of Columbia but to locate it — that, in an atlas, is the use of a benchmark.

The National Movement Around the State

In District of Columbia, black movement in the present era runs in several directions at once: out of the largest older metros, toward the South and its suburbs, and into mid-sized cities whose Black populations are growing fastest in percentage terms. District of Columbia, in the South, sits inside that wider current. The decennial counts and the survey estimates between them are the instruments that register the change; each new release revises the picture at the margin, and the direction of the lines — which places gain, which hold, which thin — is the story this plate is built to tell for District of Columbia.

In District of Columbia, movement is measured three ways in the federal record, and the plate distinguishes them. In District of Columbia, natural increase adds births and subtracts deaths inside the state. What separates the two definitions is the multiracial population — real, growing, and small against shares of the size recorded in District of Columbia. In District of Columbia, international migration adds residents born abroad, a stream that has reshaped the Black populations of the largest gateway metros and, increasingly, of states well beyond them. For District of Columbia, the published components separate the streams, and the balance among them is the state's movement signature.

In the District of Columbia, that national movement pattern arrives as local gain or loss, and the table below fixes the population it describes. Washington holds about 310,000 Black residents — Black alone or in combination — nearly half of its people, with Black alone at about 282,000, or 41 percent. Against the table, the national pattern sharpens into the particular numbers of District of Columbia.

In the District of Columbia, that national movement pattern arrives as local gain or loss, and the table below fixes the population it describes. The movement here runs on a short geography: across the Anacostia between wards, out the Maryland avenues to Prince George's County, and in from the whole country on the current of federal employment — a city whose Black population churns at high rates while its metropolitan community grows steadily outward. The table is where the general pattern becomes District of Columbia's own figures.

Reading This Plate

In District of Columbia, read the table from the top: the share first, because the share is what the map shades; then the count, because the count is what the share is made of. Shares and counts answer different questions. The share says how present Black life is in the everyday population of District of Columbia; the count says how much of Black America lives there. Both are published figures, rounded as the source agency publishes them, and both are the ground every other District of Columbia plate in this atlas stands on.

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.

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