Migration data suggest an evolutionary process in which central cities attract high status migrants when cities are relatively small, attract migrants less as they grow, and then again become attractive. Large northern cities may currently be in the middle stage. (Author/MJL)

In this retrospective review of demographic aspects of race and the metropolis, presented as a basis from which to speculate about the 1970's, the period of mass migration of blacks out of the rural South is seen as drawing to a close. The U.S. black population is more urban and more metropolitan than the white population. The development of black…

The tables in this report show birthplace and residence in 1956 for the Negro population in the six standard metropolitan statistical areas (SMSA's) which contained a central city with 500,000 or more Negro population at the time of the 1970 census. The tables show that Southern-born blacks living in the six metropolitan areas generally are…