Poll taxes were a form of voter suppression that played a significant role in Black history in the United States. These were fees imposed on individuals as a requirement to vote, disproportionately affecting African Americans, who were often unable to afford the tax. Poll taxes were used as a tool to disenfranchise Black voters and maintain white supremacy in the Jim Crow South, contributing to the systemic racism and discrimination faced by African Americans.

Poll taxes were explicitly used to prevent African Americans from exercising their right to vote by making it difficult or impossible for them to pay the tax. These taxes were applied alongside other discriminatory practices such as literacy tests and intimidation tactics, further restricting the ability of Black Americans to participate in the electoral process.

The poll tax was eventually outlawed by the 24th Amendment to the United States Constitution in 1964, which prohibited the use of poll taxes in federal elections. However, it was not until the Supreme Court ruling in Harper v. Virginia State Board of Elections in 1966 that poll taxes were declared unconstitutional in all elections, including state and local contests.

The legacy of poll taxes in Black history highlights the ongoing struggle for voting rights and racial equality in the United States. Despite the abolition of poll taxes, voter suppression tactics continue to disproportionately impact minority communities, underscoring the importance of protecting and expanding access to the ballot for all Americans.