Elections by year
2004 elections
Every election in 2004 in the 99chambers archive: generals, primaries, specials and runoffs for Congress, governor, statewide offices and the state legislatures.
Races5,815
Changed party469
Unopposed30%1,757 races
Incumbents defeated207
2004 general
5,813 races in 51 states: President, U.S. Senate, Governors, U.S. House, State legislaturesD 202 · R 232 · Other 1
Dec 4, 2004 runoff
2 races in 1 state: U.S. HouseD 1 · R 1
Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: Algara, Carlos; Amlani, Sharif (Harvard Dataverse); Federal Election Commission; Harvard Dataverse / Carl Klarner; MIT Election Data and Science Lab