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2004 Senate Election Results: Republicans Retained Control ✓

U.S. Senate elections were held for 34 U.S. Senate seats on November 2, 2004. Following the elections, Republicans retained control of the Senate after flipping seats in Florida, Georgia, Louisiana, North Carolina, South Carolina, and South Dakota. Democrats flipped seats in Colorado and Illinois.

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44
Democrats

✓ 55
Republicans

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Key race alerts

Florida U.S. Senate Election

✓ Mel Martinez (REP) won the Senate election in Florida, flipping the seat to Republicans.

Georgia U.S. Senate Election

✓ Johnny Isakson (REP) won the Senate election in Georgia, flipping the seat to Republicans.

South Carolina U.S. Senate Election

✓ Jim DeMint (REP) won the Senate election in South Carolina, flipping the seat to Republicans.

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All U.S. Senate Elections
​Alabama U.S. Senate Election
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Richard Shelby (REP) ✓         
Votes: 1,242,200
 
Wayne Sowell (DEM)             
Votes: 595,018

Arkansas U.S. Senate Election
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Blanche Lincoln (DEM) ✓       Votes: 580,973
 
Jim Holt (REP)          
Votes: 458,036

Connecticut U.S. Senate Election
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Chris Dodd (DEM) ✓
Votes: 945,347
 
Jack Orchulli (REP)                
Votes: 457,749

Hawaii U.S. Senate Election
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Daniel Inouye (DEM) ✓           
Votes: 313,629
 
Campbell Cavasso (REP)      
Votes: 87,172

Indiana U.S. Senate Election
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Evan Bayh (DEM) ✓ 
Votes: 1,496,976
 
Marvin Scott (REP)       
Votes: 903,913

Kentucky U.S. Senate Election
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Jim Bunning (REP) ✓
Votes: 873,507
 
Daniel Mongiardo (DEM)      
Votes: 850,855

Missouri U.S. Senate Election
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Kit Bond (REP) ✓        
Votes: 1,518,089
 
Nancy Farmer (DEM)             
Votes: 1,158,261

New York U.S. Senate Election
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Chuck Schumer (DEM) ✓         
Votes: 4,384,907
 
Howard Mills (REP)               
Votes: 1,625,069

Ohio U.S. Senate Election
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George Voinovich (REP) ✓     
Votes: 3,464,356
 
Eric Fingerhut (DEM)              
Votes: 1,961,171

Pennsylvania U.S. Senate Election
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Arlen Specter (REP) ✓            
Votes: 2,925,080
 
Joe Hoeffel (DEM)    
Votes: 2,334,126

Utah U.S. Senate Election
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Bob Bennett (REP) ✓                
Votes: 626,640
 
Paul Van Dam (DEM)             
Votes: 258,955

Wisconsin U.S. Senate Election
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Russell Feingold (DEM) ✓          
Votes: 1,632,697
 
Tim Michels (REP)  
Votes: 1,301,183

Alaska U.S. Senate Election 
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Lisa Murkowski (REP) ✓
Votes: 149,773
 
Tony Knowles (DEM)              
Votes: 140,424

California U.S. Senate Election
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Barbara Boxer (DEM) ✓
Votes: 6,955,728
 
Bill Jones (REP)        
Votes: 4,555,922

Florida U.S. Senate Election
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Mel Martinez (REP) ✓             
Votes: 3,672,864
 
Betty Castor (DEM)                
Votes: 3,590,201

Idaho U.S. Senate Election
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Mike Crapo (REP) ✓ 
Votes: 499,796
 
Scott McClure (DEM)       
Votes: 4,136

Iowa U.S. Senate Election
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Chuck Grassley (REP) ✓          
Votes: 1,038,175
 
Arthur Small (DEM)                
Votes: 412,365

Louisiana U.S. Senate Election
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David Vitter (REP) ✓
Votes: 943,014
 
Chris John (DEM)     
Votes: 542,150

Nevada U.S. Senate Election
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Harry Reid (DEM) ✓   
Votes: 494,805
 
Richard Ziser (REP)                
Votes: 284,640

North Carolina U.S. Senate Election
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Richard Burr (REP) ✓
Votes: 1,791,450
 
Erskine Bowles (DEM)
Votes: 1,632,527

Oklahoma U.S. Senate Election
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Tom Coburn (REP) ✓                 
Votes: 763,433
 
Brad Carson (DEM)                 
Votes: 596,750

South Carolina U.S. Senate Election
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Jim DeMint (REP) ✓
Votes: 857,167
 
Inez Tenenbaum (DEM)        
Votes: 704,384

Vermont U.S. Senate Election
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Patrick Leahy (DEM) ✓            
Votes: 216,972
 
John McMullen (REP)           
Votes: 75,398

Arizona U.S. Senate Election
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John McCain (REP) ✓             Votes: 1,505,372
 
Stuart Starky (DEM)               
Votes: 404,507

Colorado U.S. Senate Election
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Ken Salazar (DEM) ✓ 
Votes: 1,081,188
 
Pete Coors (REP)     
Votes: 980,668

Georgia U.S. Senate Election
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Johnny Isakson (REP) ✓         Votes: 1,864,202
 
Denise Majette (DEM)          
Votes: 1,287,690

Illinois U.S. Senate Election
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Barack Obama (DEM) ✓            
Votes: 3,597,456
 
Alan Keyes (REP)    
Votes: 1,390,690

Kansas U.S. Senate Election
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Sam Brownback (REP) ✓        
Votes: 780,863
 
Lee Jones (DEM)      
Votes: 310,337

Maryland U.S. Senate Election
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Barbara Mikulski (DEM) ✓       
Votes: 1,504,691
 
E.J. Pipkin (REP)     
Votes: 783,055

New Hampshire U.S. Senate Election
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Judd Gregg (REP) ✓  
Votes: 434,847
 
Doris Haddock (DEM)            
Votes: 221,549

North Dakota U.S. Senate Election
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Byron Dorgan (DEM) ✓             
Votes: 212,143
 
Mike Liffrig (REP)                
Votes: 98,553

Oregon U.S. Senate Election
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Ron Wyden (DEM) ✓
Votes: 1,128,728
 
Al King (REP)            
Votes: 565,254

South Dakota U.S. Senate Election
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John Thune (REP) ✓
Votes: 197,848
 
Tom Daschle (DEM)                
Votes: 193,340

Washington U.S. Senate Election
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Patty Murray (DEM) ✓
Votes: 1,549,708
 
George Nethercutt (REP)
Votes: 1,204,584

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