Voting and Election Resource Guide

Two Major Political Parties of the United States:

• Democratic Party
• Republican Party

List of Political Parties in the United States:

• List of political parties in the United States (Ballotpedia)

Party Representation in Congress

• U.S. Senate: Parties and Leadership

From the U.S. Senate website, this page provides resources on the political parties of the United States in relation to the Senate, with historical information on political parties as well as information on the two current major parties: The Democratic and Republican parties. 

• U.S. House of Representatives: Party Divisions

This website offers a breakdown of political party affiliations of members of the U.S. House of Representative from 1789-present. Sources on how these numbers were derived are referenced.

Other online resources:

• Formation of Political Parties (Library of Congress)

Part of the Library of Congress "Creating the United States" online exhibit.

Adapted from Bentley University

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