
In the landmark 1962 United States Supreme Court case Baker v. Carr, the Court ruled that redistricting was justiciable under the Fourteenth Amendment's Equal Protection Clause, allowing federal courts to hear redistricting cases based on the Fourteenth Amendment. The case was brought by a group of Tennessee voters, including Charles Baker, who argued that Tennessee's failure to redistrict since 1901 resulted in significant population disparities between districts, diluting the impact of votes cast in more populous districts. The Supreme Court's decision in Baker v. Carr had a profound impact on political representation in the United States, leading to redistricting in nearly every state during the 1960s and increasing the political power of urban areas.
| Characteristics | Values |
|---|---|
| Plaintiff | Charles Baker |
| Defendant | Joe Carr |
| Plaintiff's argument | That the Tennessee Constitution's failure to redistrict since 1901 led to a discrepancy in the population of districts, causing a dilution of his vote and a failure to receive "equal protection of the laws" as required by the Fourteenth Amendment. |
| Defendant's argument | N/A |
| Court ruling | The Supreme Court ruled 6-2 in favor of Baker, stating that redistricting issues are justiciable and that federal courts can hear Fourteenth Amendment-based redistricting cases. |
| Precedent | Overruled Colegrove v. Green (1946) and established the "one person, one vote" standard, requiring states to redraw electoral districts based on population changes. |
| Impact | Increased urban areas' political power and reduced that of rural areas. |
| Political question doctrine | The Court reformulated this doctrine, identifying six factors to determine which questions are "political" in nature. |
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What You'll Learn

The 'one person, one vote' standard
The "one person, one vote" standard was first applied as a standard for Congressional districts in Wesberry v. Sanders. The "one person, one vote" standard holds that every person must be weighted equally in legislative apportionment.
Baker v. Carr was a landmark United States Supreme Court case in 1962 that ruled redistricting to be justiciable under the Fourteenth Amendment's Equal Protection Clause. The case was brought by a group of Tennessee voters, including Charles Baker, who alleged that the state's legislative districts had not been redrawn since 1901, despite significant population changes. This resulted in Baker's district in Shelby County having about ten times as many residents as some rural districts, which meant that rural citizens' votes were overrepresented compared to those of urban citizens.
The Supreme Court's decision in Baker v. Carr had a significant impact on political representation in the United States. It required Tennessee and many other states to redistrict during the 1960s, often multiple times. This reapportionment increased the political power of urban areas while reducing that of rural areas.
The "one person, one vote" standard was formally enunciated in Reynolds v. Sims (1964), which further clarified that in states with bicameral legislatures, both houses must be apportioned based on population. This standard voided provisions in some state constitutions that gave each county a set number of state senators, regardless of population.
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The Fourteenth Amendment
In the context of Baker v. Carr, the Fourteenth Amendment was invoked to challenge the constitutionality of Tennessee's legislative apportionment. The state had not redistricted since 1901, resulting in significant population disparities between districts. As a result, the votes of people in rural areas carried a greater weight than those in urban areas, violating the Fourteenth Amendment's guarantee of equal protection.
The Supreme Court's decision in Baker v. Carr had far-reaching consequences, leading to a wave of redistricting across the country. The Court's ruling established that federal courts could hear redistricting cases brought under the Fourteenth Amendment's Equal Protection Clause. This marked a significant shift in the nature of political representation in the United States, empowering urban areas while reducing the political power of rural areas.
The Baker v. Carr case also had implications for the interpretation of the political question doctrine. Justice William J. Brennan reformulated this doctrine, identifying factors to determine which questions are "political" in nature. This case demonstrated that seeking protection of a political right does not necessarily present a political question, as the Court ruled that apportionment cases involve federal constitutional rights.
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The political question doctrine
The landmark United States Supreme Court case of Baker v. Carr (1962) established that redistricting qualifies as a justiciable question under the Fourteenth Amendment's Equal Protection Clause. This decision enabled federal courts to hear Fourteenth Amendment-based redistricting cases.
The case arose from a lawsuit filed by Charles Baker, a Republican living in Shelby County, Tennessee, against Joe Carr, the Tennessee Secretary of State. Baker's complaint was that Tennessee had not redistricted since 1901, resulting in significant population disparities between districts. This discrepancy diluted the relative impact of votes cast by citizens in more populous districts, violating the Equal Protection Clause of the Fourteenth Amendment.
The Supreme Court's decision in Baker v. Carr had a significant impact on the political question doctrine. The political question doctrine relates to cases that are "political" in nature and are typically considered non-justiciable. Justice William J. Brennan reformulated the political question doctrine in the Baker v. Carr case, identifying six factors to help determine which questions are "political." These factors include:
- Textually demonstrable constitutional commitment of the issue to a coordinate political department: Brennan cited issues of foreign affairs and executive war powers as examples of cases that would be considered "political questions."
- Lack of judicially discoverable and manageable standards for resolving the issue.
- The impossibility of deciding without an initial policy determination of a kind clearly for nonjudicial discretion.
- The impossibility of a court's independent resolution without expressing a lack of respect due to coordinate branches of government.
- Unavoidable judicial decision of an issue through another branch of government.
- Potential embarrassment of the government by multifarious pronouncements.
In conclusion, the Baker v. Carr case not only addressed the issue of redistricting but also had a significant impact on the political question doctrine. Justice Brennan's reformulation of the doctrine provided clearer guidelines for determining which questions are "political" in nature, and the case set a precedent for distinguishing between cases involving political rights and those presenting political questions.
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Tennessee's legislative districts
In the late 1950s, Tennessee was still using electoral district boundaries that had been devised in 1901, according to the 1900 census. However, the Tennessee State Constitution required that legislative districts be redrawn every ten years to provide for districts of substantially equal population.
By the 1950s, population changes had resulted in vast disparities between the Shelby County district, which included Memphis, and other surrounding districts. Shelby County had about ten times as many residents as some rural districts, meaning that rural citizens' votes were overrepresented compared to those of urban citizens.
In Baker v. Carr, a group of Tennessee voters, including Charles Baker, a Republican who lived in Shelby County, sued Joe Carr, the Tennessee Secretary of State, alleging that the state's failure to redistrict violated the Fourteenth Amendment's equal protection clause. The plaintiffs argued that the apportionment of the Tennessee General Assembly failed to account for significant population variations between districts, thereby diluting the relative impact of votes cast by citizens in more populous districts.
The Supreme Court of the United States ruled 6-2 in favor of the plaintiffs, finding that apportionment cases are justiciable, meaning that federal courts have the right to intervene in such cases. The Court held that redistricting qualifies as a justiciable question under the Fourteenth Amendment's equal protection clause, enabling federal courts to hear Fourteenth Amendment-based redistricting cases. This decision laid out a new test for evaluating redistricting claims, formulating the "one person, one vote" standard under American jurisprudence for legislative redistricting. This standard required that every person be weighted equally in legislative apportionment, leading to a reapportionment that increased urban areas' political power and reduced that of rural areas.
The Baker v. Carr decision and subsequent cases fundamentally changed the nature of political representation in Tennessee and nearly every other state, requiring them to redistrict during the 1960s, often several times. This decision also had broader implications for the creation of electoral districts, making the process extremely complex as counties and districts often overlap to ensure that each person's vote has approximately the same power.
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The Supreme Court ruling
The Supreme Court's ruling in Baker v. Carr (1962) was a landmark decision in US political and legal history. The Court ruled 6-2 in favour of the plaintiffs, finding that their case was justiciable, and that federal courts could intervene in matters of redistricting and apportionment.
The case centred on the issue of redistricting in Tennessee, which had not occurred since 1901, despite the state constitution requiring it to be carried out every ten years to account for population changes. By 1961, when the case was first heard, there were vast disparities between the Shelby County district, which included Memphis, and other surrounding districts. The plaintiffs, led by Charles Baker, a Republican voter from Shelby County, argued that this discrepancy violated the Equal Protection Clause of the Fourteenth Amendment, as their votes were devalued compared to those in less populous rural districts.
The Supreme Court agreed with the plaintiffs, ruling that redistricting qualified as a justiciable question under the Fourteenth Amendment's Equal Protection Clause. This meant that federal courts could hear cases based on the Fourteenth Amendment and intervene in matters of redistricting and apportionment. The Court's decision in Baker v. Carr thus enabled similar cases to be brought before federal courts, challenging the constitutionality of state legislative malapportionment and increasing the political power of urban areas while reducing that of rural areas.
The Court's ruling in Baker v. Carr had a significant impact on political representation in the United States. It led to a wave of redistricting and reapportionment across the country, as states were forced to redraw district lines to ensure that each person's vote had roughly the same power. This "one person, one vote" standard, formally enunciated in Reynolds v. Sims (1964), became a fundamental principle of American jurisprudence, requiring states with bicameral legislatures to apportion both houses on this basis.
In addition to the Court's ruling on the merits of the case, Justice William J. Brennan also issued a significant concurring opinion. In this opinion, Brennan reformulated the political question doctrine, identifying six factors to help determine which questions are "political" in nature. This opinion has been described as the most significant of Justice Brennan's long tenure on the Supreme Court.
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Frequently asked questions
The state of Tennessee was still using boundaries between electoral districts that were devised in 1901, according to the 1900 census. However, the state constitution required revising the lines every 10 years to account for changes in population.
The case challenged the constitutionality of a state's apportionment of seats in its legislature, on the ground that the right to vote of certain citizens was effectively impaired since debased and diluted.
The Supreme Court ruled 6-2 in favor of the plaintiffs, finding that apportionment cases are justiciable, i.e., that federal courts have the right to intervene in such cases.
The case fundamentally changed the nature of political representation in the United States, requiring nearly every state to redistrict during the 1960s, often several times.
The case laid out a new test for evaluating redistricting claims, formulating the "'one person, one vote' standard under American jurisprudence for legislative redistricting.

























