Majority-Black Counties of the United States — interactive map of the 104 county-equivalents that were majority-Black on the 2020 Census. Percentages shown are Black or African American alone — not mixed-race and not "in combination." Counties are clustered in the historic Black Belt of the Deep South, plus several large urban/suburban counties.
Hover a marker or county for a short readout; click a county or city to load 2020 Census race counts plus ACS 2020–2024 median household income, poverty, owner/renter, and marital status in the right-hand pane. Layers: majority-Black counties, cities & towns, HBCUs, ports, rail hubs, and a county heat map (hotter = higher Black-alone %).