Second Great Migration

Second Great Migration
Jajhill · CC BY-SA 4.0 · source
Name	Second Great Migration
Caption	African American families relocating during the mid-20th century
Date	1941–1970 (approx.)
Place	United States
Cause	Industrial labor demand, World War II, mechanization of agriculture, Jim Crow segregation, housing policies
Participants	African Americans

Second Great Migration

The Second Great Migration was a mass movement of African Americans from the rural Southern United States to urban centers in the North, Midwest, and West between approximately 1941 and 1970. It reshaped the demographic, economic, and political landscape of the United States and played a central role in the rise of modern Black Power movement and the broader Civil Rights Movement by concentrating Black populations in cities where electoral influence and organized activism could grow.

Background and Causes

The Second Great Migration followed the earlier Great Migration and was driven by a combination of push and pull factors. Push factors included entrenched Jim Crow laws, racial violence such as lynching, limited economic opportunities in Southern agriculture, and dispossession from tenant farming and sharecropping. Pull factors included labor demand generated by World War II industrial mobilization, expansion of the defense industry, and postwar manufacturing growth in metropolitan regions like Chicago, Detroit, Los Angeles, and New York City. Federal policies such as the Selective Training and Service Act and wartime labor shortages opened employment in steel, automobile factories, and shipyards (e.g., Los Angeles Shipbuilding and Drydock Company). Technological changes, including the mechanization of cotton agriculture, accelerated out-migration from places such as the Mississippi Delta and Alabama.

Migration Patterns and Demographics

Migratory flows were regional and directional: large numbers moved to the Great Lakes region, the Northeastern United States, and the West Coast. Cities with substantial gains included Chicago, Detroit, Philadelphia, Baltimore, Cleveland, and Oakland and Los Angeles. The period saw both family relocation and single labor migration; by 1970, millions of African Americans—estimates often cite over six million—had left the South. Demographically, migrants included veterans protected by the G.I. Bill (though access was uneven), rural farm workers, and younger cohorts seeking education at institutions such as historically Black colleges like Howard University and Tuskegee University or public universities in destination states. The movement changed the urban racial composition and age structure, increasing concentrations of African Americans in segregated neighborhoods and altering metropolitan labor markets.

Economic and Labor Impacts

The influx of Black workers supplied critical manpower to industrial sectors. In Detroit, African American labor activism intersected with the United Auto Workers and strikes that challenged workplace discrimination. In shipyards and aircraft plants (e.g., Pidgeon-Thomas Shipyards), labor shortages produced openings for Black workers, though recruitment was mediated by employers and National Labor Relations Board policies. Economic mobility was uneven: while many migrants obtained steady wage jobs, occupational segregation and discriminatory hiring practices limited advancement into managerial or skilled positions. The migration also stimulated Black entrepreneurship in service industries, retail, and housing, fostering businesses along corridors such as U Street and Central Avenue.

Social and Cultural Effects

The Second Great Migration amplified urban Black culture and institutions. Concentrated populations supported a flourishing of music and arts—jazz, blues, and later rhythm and blues scenes—centered in places like Harlem and the Bronzeville neighborhood. Religious life, anchored by Black churches affiliated with denominations such as the National Baptist Convention and leaders like Martin Luther King Jr. (whose rise intersected with urban congregations), provided organizational infrastructure for social services and activism. The migration transformed family structures, education attainment, and community networks; returning veterans and educated migrants influenced civic associations, NAACP branches, and local newspapers. Cultural exchanges between Southern and Northern Black traditions shaped literature and scholarship at institutions like Schomburg Center for Research in Black Culture.

Political Consequences and Civil Rights Activism

By concentrating voters in key cities and states, the Second Great Migration altered electoral politics and policy priorities. Migrant communities organized through groups such as the Congress of Racial Equality (CORE), Southern Christian Leadership Conference (SCLC), and local NAACP chapters to demand civil rights, jobs, and fair housing. Northern and Western bases became sites for landmark campaigns: voter registration drives, desegregation litigation, and mass protests. The demographic changes increased Black representation in municipal politics, contributing to the election of Black mayors and council members in later decades and bolstering legislative advocacy that fed into national milestones like the Civil Rights Act of 1964 and the Voting Rights Act of 1965.

Urban Change, Housing, and Segregation

Rapid migration intensified demand for housing, intersecting with discriminatory practices such as redlining enforced by the Federal Housing Administration and restrictive covenants upheld by private real estate interests. Race-restricted mortgage access and concentrated public housing projects produced de facto segregation in cities like St. Louis and Philadelphia. Urban renewal programs, often labeled as "Negro removal" by critics, displaced Black neighborhoods while highways and redevelopment projects bisected communities, exemplified by controversies over interstate routing and projects in Cleveland and Boston. These patterns fueled grassroots organizing around fair housing, exemplified by protests that influenced the passage of the Fair Housing Act of 1968.

Legacy and Long-Term Impact on the Civil Rights Movement

The Second Great Migration left enduring political, cultural, and socioeconomic legacies. It facilitated the national scale of the Civil Rights Movement by creating urban concentrations that could mount organized campaigns, sustain civil rights organizations, and influence national politics. Cultural institutions and Black press outlets amplified demands for equality, while new political constituencies pressured parties and legislators. Long-term challenges persisted—economic inequality, residential segregation, and policing tensions—but the migration irrevocably transformed American demographics and helped propel reforms in civil rights law, urban policy, and electoral representation. The era set the stage for subsequent movements addressing racial justice, economic opportunity, and the ongoing struggle against structural racism.