Why was the 1920 census significant?

The 1920 census was significant because it marked the first time in U.S. history that more people lived in urban areas than in rural areas, reflecting a major demographic shift towards urbanization. Additionally, it was the first census conducted after World War I, capturing the effects of the war on population dynamics and migration patterns. The census results influenced political representation and resource allocation, as states faced reapportionment based on population changes. Overall, it highlighted the changing landscape of American society in the early 20th century.