Elections by year
2012 elections
Every election in 2012 in the 99chambers archive: generals, primaries, specials and runoffs for Congress, governor, statewide offices and the state legislatures.
Races6,133
Changed party5
Unopposed32%1,939 races
Incumbents defeated271
Jan 31, 2012 special
1 races in 1 state: U.S. HouseD 1
Nov 1, 2012 special
1 races in 1 state: State legislatures
2012 general
6,129 races in 51 states: President, U.S. Senate, Governors, U.S. House, State legislaturesD 200 · R 234
Dec 1, 2012 runoff
1 races in 1 state: State legislatures
Dec 8, 2012 runoff
1 races in 1 state: U.S. HouseR 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