The 2004 congressional elections in Arizona were elections for

Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...

's delegation to the

United States House of Representatives The United States House of Representatives, often referred to as the House of Representatives, the U.S. House, or simply the House, is the lower chamber of the United States Congress, with the Senate being the upper chamber. Together they ...

, which occurred along with congressional elections nationwide on November 2, 2004. Arizona has eight seats, as apportioned during the

2000 United States Census The United States census of 2000, conducted by the Census Bureau, determined the resident population of the United States on April 1, 2000, to be 281,421,906, an increase of 13.2 percent over the 248,709,873 people enumerated during the 1990 cen ...

. Republicans held six of the eight seats and Democrats held two. This would be the last time until

2022 File:2022 collage V1.png, Clockwise, from top left: Road junction at Yamato-Saidaiji Station several hours after the assassination of Shinzo Abe; Anti-government protest in Sri Lanka in front of the Presidential Secretariat; The global monkeypo ...

that Republicans would win 6 House seats in Arizona.