The 2004 United States Senate election in Hawaii took place on November 2, 2004 alongside other elections to the United States Senate

United States Senate

The United States Senate is the upper house of the bicameral legislature of the United States, and together with the United States House of Representatives comprises the United States Congress. The composition and powers of the Senate are established in Article One of the U.S. Constitution. Each...

 in other states as well as elections to the United States House of Representatives

United States House of Representatives

The United States House of Representatives is one of the two Houses of the United States Congress, the bicameral legislature which also includes the Senate.The composition and powers of the House are established in Article One of the Constitution...

 and various state and local elections. Incumbent Democrat

Democratic Party (United States)

The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...

 U.S. Senator Daniel Inouye

Daniel Inouye

Daniel Ken "Dan" Inouye is the senior United States Senator from Hawaii, a member of the Democratic Party, and the President pro tempore of the United States Senate making him the highest-ranking Asian American politician in American history. Inouye is the chairman of the United States Senate...

 won re-election to an eighth term.

Results

Inouye won every single county with at least 70% of the vote. His best performance was in Kauai County, where he won with an estimated 80%; also was Cavasso's weakest performance, getting just 16.5% of the vote there.