Majority-Black districts have fallen in number lately

Number of majority-Black districts in the U.S. House of Representatives, 40 to 50 percent Black districts and total Black representatives, 87th to 118th Congress

Based on the percentage of a district's population that identified as only Black on the decennial census. Black representatives may also identify with another racial or ethnic group.
FiveThirtyEight
SOURCES: Census Bureau, Congressional Quarterly, David Lublin, IPUMS NHGIS, Social Explorer, State Redistricting Sources, U.S. House of Representatives, VoteView