Both Michigan and Illinois, whose cities have rich black cultural traditions, showed an overall loss of blacks for the first time, said William Frey, the chief demographer at the Brookings Institution.
And Atlanta, for the first time, has replaced Chicago as the metro area with the largest number of African-Americans after New York. About 17 percent of blacks who moved to the South in the past decade left New York State, far more than from any other state, the census data show.
. . .
Northern blacks were a big part of Southern gains. There are now more than one million black residents of the South who were born in the Northeast, a tenfold increase since 1970.
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