The Federal Congressional Election for the House and the Senate are held on the first Tuesday in November in even-numbered years. The terms for the members of the House is 2 years. The senatorial term is 6 years and every 2 years, one-third of the Senate stands for election. In this way, two-thirds of the senators are always individuals with some legislative experience at the national level. Two senators are elected by each state directly by popular vote.
Senators represent the entire state.
There are 435 members in the House. The results of the decennial Census determines the adjustment of Congressional districts. Similar to the Senate, the House members are elected directly by popular vote. Candidates are nominated through a direct election, or by popular vote during the federal Congressional Primaries. The process of the Federal Congressional Primaries is regulated by State law and each party's platform.