
The requirements to run for Congress are outlined in the US Constitution, which places few hurdles between citizens and membership of the House of Representatives. To run for Congress, a candidate must be at least 25 years old, have been a US citizen for at least seven years, and live in the state they represent. These requirements were designed to give people the freedom to choose their representatives and to ensure that members had sufficient maturity and knowledge to perform their duties. While the Constitution stipulates exclusive qualification requirements, the House of Representatives has the authority to determine whether members-elect are qualified to be seated, and there is some flexibility around the timing of the oath of office. Candidates must also meet filing requirements and deadlines, which vary from state to state, and may need to collect signatures or pay registration fees to appear on the ballot.
| Characteristics | Values |
|---|---|
| Minimum Age | 25 years |
| Citizenship | 7 years |
| Residency | Inhabitant of the state they represent |
| Oath | Support the Constitution |
| Ballot Access | Petition signatures or registration fees |
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What You'll Learn

Age: 25+
The US Constitution sets out a number of requirements for those wishing to run for Congress. One of these requirements is that candidates must be at least 25 years of age. This is stipulated in Article I, Section 2, Clause 2, also known as the House Qualifications Clause, which states that "No Person shall be a Representative who shall not have attained to the age of twenty-five years".
The Framers of the Constitution considered that a person of 25 years would have "sufficient maturity to perform their duties". The House Qualifications Clause was designed to give people the freedom to choose the person who would best represent their interests in Congress. Alexander Hamilton, in Federalist No. 52, commented on these requirements:
> Under these reasonable limitations, the door of this part of the federal government is open to merit of every description, whether native or adoptive, whether young or old, and without regard to poverty or wealth, or to any particular profession of religious faith.
The age requirement for members of the Senate is higher, at 30 years of age. This difference in requirements between Representatives and Senators was explained by the author of Federalist No. 62 as arising from the nature of the senatorial trust, which requires a greater extent of information and ability of character.
It is worth noting that, in practice, the House of Representatives has not always strictly adhered to the 25-year age requirement. For example, William Claiborne of Tennessee was elected to the House at the age of 22, and John Young Brown of Kentucky was elected at the age of 24, although the House refused to administer the oath of office to him until he turned 25.
In addition to the age requirement, candidates for the House of Representatives must also have been citizens of the United States for at least seven years and be inhabitants of the state they seek to represent at the time of election. These requirements were designed to ensure that members had a strong understanding of the United States and its people, and would be vested in representing the interests of their state.
Founders' Democracy: Reforming the Constitution
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Citizenship: 7+ years
The US Constitution sets out a number of requirements for congressional candidates. One of the most important is citizenship. To run for Congress, a person must have been a US citizen for at least seven years. This is a constitutional requirement that cannot be altered by individual states.
The seven-year citizenship requirement was designed to strike a balance between two interests. Firstly, it allows foreign-born citizens to participate in government. Secondly, it ensures that members of Congress are knowledgeable about the United States and not unduly influenced by loyalty to their country of birth.
The citizenship requirement is one of the few hurdles that the Constitution places between ordinary citizens and membership of the US House of Representatives. The founders wanted the House to be the legislative chamber closest to the people, with the fewest restrictions on age and citizenship.
In addition to the seven-year citizenship requirement, the Constitution also requires members of the House of Representatives to be at least 25 years old and to live in the state they represent (though not necessarily the same district). These requirements are designed to ensure that members of Congress are mature enough to perform their duties and are familiar with the interests of their constituents.
While the Constitution sets out exclusive qualification requirements for members of Congress, it is worth noting that individual states have their own ballot access laws that determine how a candidate can appear on an election ballot. These may include collecting and filing petition signatures or paying registration fees, and the specific requirements vary from state to state.
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Residency: Inhabitant of the state
The constitutional requirements to run for Congress are few, with the aim of keeping the House of Representatives the legislative chamber closest to the people. The requirements are set out in Article I, Section 2, Clause 2 of the US Constitution, also known as the House Qualifications Clause.
To run for Congress, a person must be an inhabitant of the state they wish to represent at the time of their election. This is to ensure that the elected official is familiar with the interests of their constituents and can represent them effectively. The term inhabitant was chosen over resident to allow for travel for work or other purposes.
The requirement to be an inhabitant of the state is exclusive to the federal requirements, and state requirements cannot add to or alter this qualification. For example, in 1807, a Member-elect was seated despite not meeting a state law requiring 12 months of residency in the district. The House resolved that this additional state requirement was unconstitutional.
The requirement to be an inhabitant of the state does not necessarily mean living in the same district as the constituents. The district system emerged later as states decided how to organize their congressional delegations.
Other Requirements
In addition to being an inhabitant of the state, a Member of Congress must be at least 25 years old and have been a US citizen for at least seven years. These requirements were designed to ensure maturity and sufficient knowledge of the United States, respectively.
While the qualifications are exclusive, Congress does have the authority to determine whether Members-elect meet these requirements. In the past, Congress has been lenient in enforcing the age requirement, seating members as young as 22 and 24 years old.
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Oath: To support the Constitution
Article VI, Clause 3 of the US Constitution requires that all Members of Congress take an oath to support the Constitution before they exercise the duties of their office. This is known as the "Oath of Office". The text of the oath is as follows:
> "I do solemnly swear (or affirm) that I will support and defend the Constitution of the United States against all enemies, foreign and domestic; that I will bear true faith and allegiance to the same; that I take this obligation freely, without any mental reservation or purpose of evasion; and that I will well and faithfully discharge the duties of the office on which I am about to enter. So help me God."
The requirement to take this oath is one of the few hurdles placed by the Constitution between ordinary citizens and becoming a Member of Congress. The founders wanted the House of Representatives to be the legislative chamber closest to the people—the least restrictive on age, citizenship, and the only federal office at the time subject to frequent popular election.
The Framers of the Constitution designed these minimal requirements to give people the freedom to choose the person who would best represent their interests in Congress. Alexander Hamilton commented in Federalist No. 52:
> "Under these reasonable limitations, the door of this part of the federal government is open to merit of every description, whether native or adoptive, whether young or old, and without regard to poverty or wealth, or to any particular profession of religious faith."
The House Qualifications Clause, set forth at Article I, Section 2, Clause 2, outlines the main constitutional requirements to be a Member of Congress: to be at least twenty-five years of age, a United States citizen for seven years, and an inhabitant of the state from which they are elected at the time of the election.
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Ballot access: State requirements
Each state has its own ballot access laws, which set out the requirements for candidates to be listed on the ballot paper. These laws are designed to prevent ballot overcrowding, voter confusion, election fraud, and to facilitate election administration.
Signature Requirements
One of the most common requirements for ballot access is the collection of a certain number of signatures from registered voters. The number of signatures required varies by state and level of office sought. For example, in North Carolina, an unaffiliated candidate for statewide office must obtain signatures equal to at least 2% of the votes cast for Governor in the previous election, plus at least 200 signatures from each of four US Congressional Districts within the state. In addition, some states may require a higher number of signatures for certain offices. For instance, in North Dakota, creating a new political party and nominating candidates requires 7,000 signatures, while independent candidates for statewide office need 1,000 signatures.
Filing Fees
In some states, candidates may be required to pay a filing fee to appear on the ballot. These fees are typically a percentage of the candidate's yearly salary and are generally required for those running as a candidate of a political party. However, some states, like Louisiana, offer the alternative of paying a qualifying fee instead of submitting petition signatures.
Court Cases
The Supreme Court of the United States has ruled on several cases relating to ballot access laws, including:
- Williams v. Rhodes (1968): State laws regulating the selection of presidential electors must meet the Equal Protection Clause of the Fourteenth Amendment.
- Bullock v. Carter (1972): The Texas primary filing fee system, which charged fees as high as $8,900, violated the Equal Protection Clause of the Fourteenth Amendment as it effectively prevented qualified candidates without personal wealth or backers from seeking nomination.
- Storer v. Brown (1974): Upheld a California law prohibiting ballot access to independent candidates registered with a qualified political party within one year of the preceding primary election. The ruling also established a test for the burden imposed by signature requirements, stating that if the percentage of required signatures is greater than 5%, the requirement is likely unreasonable.
- Lubin v. Panish (1974): States cannot require indigent candidates to pay filing fees they cannot afford as it violates the Equal Protection Clause of the Fourteenth Amendment, as well as the rights of expression and association guaranteed by the First and Fourteenth Amendments.
- Moore v. Ogilvie (1969): Overruled a previous case and held that a requirement for independent candidates to obtain 25,000 signatures, including 200 signatures from each of 50 counties, violated the Equal Protection Clause.
- Ill. State Bd. of Elections v. Socialist Workers Party (1979): Invalidated a ballot access requirement that imposed a significantly higher signature requirement on new party and independent candidates for mayor compared to those seeking statewide office, finding it was not the least restrictive means of protecting the state's objectives.
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Frequently asked questions
To run for Congress, a person must be at least 25 years old, have been a US citizen for at least seven years, and live in the state they represent.
The Federal Election Commission (FEC) is the only agency that regulates federal election campaigns. Candidates must file a statement of candidacy within 15 days of receiving contributions or making expenditures that exceed $5,000. To get on the ballot, candidates must also meet a variety of filing requirements and deadlines, known as ballot access laws, which vary from state to state.
Article I, Section 5, Clause 1 of the Constitution states that "each House shall be the Judge of the Elections, Returns, and Qualifications of its own Members". However, the qualification requirements should be construed narrowly to avoid depriving voters of their choice of representative.
The constitutional qualifications for office originate in British law. Members of the House of Commons were required to live in the shires or boroughs they represented. The founders of the US Constitution used this as a model, requiring Members of Congress to live in the state they represent.

























