AP® United States History · Unit 7 · Topic 7.6

The Great Migration

The Great Migration was the movement of roughly six million Black Americans from the rural South to northern and midwestern cities between 1916 and the 1940s, driven by southern push factors and northern wartime pull factors.

Picture the move as arrows running up the map along railroad lines: from Mississippi and Alabama up to Chicago, from Georgia and the Carolinas up to New York and Philadelphia. People followed the tracks their cotton used to travel on. Southern life pushed them out. Jim Crow laws enforced segregation and denied Black southerners the vote, sharecropping kept families trapped in debt, and lynching made the region physically dangerous. Then in the mid-1910s, a specific set of events made the moment urgent. World War I cut off the flow of European immigrants who had filled northern factory jobs, so companies like Chicago's meatpackers and steel mills needed new workers. At the same time, the boll weevil, a beetle that eats cotton bolls, chewed through southern crops and wrecked the plantation economy that had kept Black labor tied to the land. Push and pull hit at once.

Chicago shows the scale. Its Black population grew from about 44,000 in 1910 to roughly 234,000 by 1930, as migrants built new communities on the city's South Side, sometimes called Bronzeville. Jobs opened in stockyards and factories, and institutions like Black churches, newspapers, and businesses grew with the population.

Arrival did not mean acceptance. Northern cities had no Jim Crow statutes, but white residents often answered Black migration with violence over scarce jobs and housing, as in the Chicago race riot of 1919. Tulsa's Greenwood district, a thriving Black business community, was destroyed by a white mob in 1921. This migration reshaped northern politics and culture, feeding the Harlem Renaissance and setting up the demographic base for the later civil rights movement.

Key terms

Great Migration
The movement of about six million Black Americans from the rural South to northern and midwestern cities between 1916 and the 1940s.
Boll weevil
A beetle that destroyed southern cotton crops in the 1910s, pushing sharecroppers off the land.
Jim Crow
The system of southern state laws enforcing racial segregation and denying Black citizens equal rights.
Bronzeville
The Black South Side community in Chicago that grew rapidly with Great Migration arrivals.
Tulsa race massacre
The 1921 destruction of Tulsa's prosperous Black Greenwood district by a white mob.

Watch it explained

  1. How it worksWalk me through the Great Migration as flow arrows following the railroad lines north.
  2. Worked exampleShow me Chicago's Black population growing from about 44,000 in 1910 to 234,000 by 1930.
  3. How it worksHow does wartime labor shortage in the North meet the boll weevil in the South?
  4. Going furtherWhat happens in cities like Chicago and Tulsa when white residents resist the new arrivals?

Check yourself

Your turn1 of 2
Beginning around 1916, roughly six million Black southerners moved to northern cities over the following decades in what became known as the Great Migration. Which combination of factors most directly explains why this migration accelerated so sharply starting around this specific time?

End of topic.