2010 Senate Ratings

Here are our latest Senate ratings, reflecting Pennsylvania Sen. Arlen Specter's switch from the Republican Party to the Democratic Party.

#- Moved benefiting Democrats
*- Moved benefiting Republicans

Lean Takeover (1 R, 0 D)

• Bunning (R-KY)

Toss-Up (3 R, 1 D)

• MO Open (Bond, R)
• NH Open (Gregg, R)
  
• OH Open (Voinovich, R)
• Dodd (D-CT)
  

Narrow Advantage for Incumbent Party (2 R, 1 D)

• FL Open (Martinez, R)
  
• Burr (R-NC)
• Reid (D-NV)

Clear Advantage for Incumbent Party (1 R, 4 D)

• Vitter (R-LA)
  
• Bennet (D-CO)
  
• Burris (D-IL)
  
• Lincoln (D-AR)
• Specter (D-PA) #
  

Currently Safe (11 R, 12 D)

• Bennett (R-UT)
• Coburn (R-OK)
• Crapo (R-ID)
• DeMint (R-SC)
• Grassley (R-IA)
  
• Isakson (R-GA)
• McCain (R-AZ)
• Murkowski (R-AK)
• Shelby (R-AL)
• Thune (R-SD)
• KS Open (Brownback, R)
• DE Open (Kaufman, D)
• Bayh (D-IN)
• Boxer (D-CA)
• Dorgan (D-ND)
  
• Feingold (D-WI)
  
• Gillibrand (D-NY)
  
• Inouye (D-HI)
• Leahy (D-VT)
• Mikulski (D-MD)
• Murray (D-WA)
• Schumer (D-NY)
• Wyden (D-OR)