The years 1916–1940 marked the largest migration of African Americans to Pittsburgh during the Great Migration from the rural South to industrial cities of the Northeast and Midwest. These migrants came for industrial jobs, education, political and social freedom, and to escape racial oppression and violence in the South. Migrants going to Pittsburgh and surrounding mill towns faced racial discrimination and restricted housing and job opportunities. The black population in Pittsburgh jumped from 6,000 in 1880 to 27,000 in 1910. Many took highly paid, skilled jobs in the steel mills. Pittsburgh's black population increased to 37,700 in 1920 (6.4% of the total) while the black element in Homestead, Rankin, Braddock, and others nearly doubled. They succeeded in building effective community responses that enabled the survival of new communities.