Black migration to American suburbs accelerated from 1970-80, increasing the proportion of Blacks in suburbs throughout the United States. In the North Blacks moved disproportionately into communities with high Black concentrations, while in the South, many Black suburbs experienced an influx of white residents. (Author/IS)

The following four hypotheses were tested: (1) nonmetropolitan areas with the highest percentages employed in industry in 1960 will experience the greatest inmigration between 1965-70; (2) those with a high percentage employed in agriculture will experience the lowest amounts of inmigration; (3) those areas with small farm size and low farm income…