Iowa Senate: Grassley Still Outdistances Democratic Challengers
Incumbent Republican Charles Grassley still holds sizable double-digit leads over his three chief Democratic challengers in the U.S. Senate race in Iowa.
Election 2010: Senate Elections
Most Recent Releases
February 22, 2010
February 22, 2010
Florida GOP Senate: Rubio 54%, Crist 36%
Former state House Speaker Marco Rubio continues to lengthen his lead over Governor Charlie Crist in the contest for Florida’s Republican Senate nomination.
February 18, 2010
Wisconsin Senate: Feingold Leads Two Announced GOP Challengers
Wisconsin incumbent Democrat Russ Feingold leads his two best-known announced Republican challengers for the U.S. Senate in the latest Rasmussen Reports telephone survey of likely voters in the state.
February 18, 2010
Indiana Senate: Hill, Ellsworth Trail Three Main GOP Hopefuls
As expected with incumbent Senator Evan Bayh’s surprise announcement this week that he will not seek reelection, Indiana’s U.S. Senate race is wide open. The three leading Republican contenders all post leads for now over the two most prominently mentioned Democratic hopefuls, but it’s not even clear if those Democrats are in the race.
February 17, 2010
Oregon Senate: Wyden 49%, Huffman 35%
Another “safe” Democratic senator may not be quite as safe as he thought.
February 15, 2010
California Senate: Boxer Still Holds Narrow Leads Over GOP Hopefuls
For the second month in a row, incumbent Democratic Senator Barbara Boxer is in surprisingly tight races with three potential Republican challengers in California.
February 15, 2010
Washington Senate: Murray Leads All Republican Challengers But Rossi
Democratic Senator Patty Murray holds double-digit leads on three of the top Republicans who hope to unseat her in this year’s Senate race in Washington State.
February 12, 2010
Louisiana Senate: Vitter 57%, Melancon 33%
Incumbent Republican David Vitter has an even more commanding lead this month over his top Democratic challenger in Louisiana's race for the U.S. Senate.
February 12, 2010
North Dakota Senate: Hoeven By A Mile At This Point
Popular Republican Governor John Hoeven crushes his two likeliest Democratic rivals thus far in North Dakota’s race for the U.S. Senate.
February 11, 2010
Missouri Senate: Blunt (R) 49%, Carnahan (D) 42%
Little has changed this month in Missouri's race for the seat being vacated by retiring Republican Senator Kit Bond.
February 11, 2010
New Hampshire Senate: Ayotte (R) 46%, Hodes (D) 39%
Former state Attorney General Kelly Ayotte remains the strongest Republican running against Democratic Congressman Paul Hodes in New Hampshire’s race for the U.S. Senate, but the numbers have changed very little over the past few months.
February 9, 2010
Pennsylvania Senate Democratic Primary: Specter 51%, Sestak 36%
Incumbent Pennsylvania Senator Arlen Specter remains barely over 50% but still holds a 15-point lead over his Democratic Primary challenger, Congressman Joe Sestak.
February 8, 2010
Pennsylvania Senate: Toomey Still Leads Specter, Sestak
Little is changed this month in Pennsylvania’s race for the U.S. Senate, with Republican hopeful Pat Toomey still ahead of incumbent Senator Arlen Specter by nine points.
February 8, 2010
Ohio Senate: GOP’s Portman Still Holds Slim Lead
Republican Rob Portman still has narrow leads over his two chief Democratic opponents for the seat being vacated by GOP Senator George Voinovich in Ohio.
February 5, 2010
Nevada Senate: Reid Runs Second To Four GOP Opponents
Harry Reid may soon have one more Republican opponent in Nevada’s race for the U.S. Senate, and his numbers remain in troublesome territory for an incumbent. Reid, like a number of Democratic Senate incumbents, appears to be suffering from voter unhappiness over the national health care plan and the continuing bad state of the economy.
February 5, 2010
Colorado Senate: GOP’s Norton Still The Front-Runner
Lieutenant Governor Jane Norton now posts a 14-point lead over incumbent Democrat Michael Bennett, but her lead over Bennet’s intraparty challenger, Andrew Romanoff, is not as big in the race for the U.S. Senate in Colorado.
February 4, 2010
Kentucky Senate: GOP Hopefuls Remain Out Front
Rand Paul, who picked up Sarah Palin’s endorsement on Monday, and fellow Republican Trey Grayson continue to lead their two chief Democratic rivals in Kentucky’s contest for the U.S. Senate.
February 4, 2010
Illinois Senate: Kirk 46%, Giannoulias 40%
Republican Mark Kirk holds a modest 46% to 40% lead over Democrat Alexi Giannoulias in the race for the Illinois Senate following Tuesday’s party primaries.
February 3, 2010
Connecticut Senate: Blumenthal (D) Still Running Strongly
Connecticut continues to look like one Senate seat Democrats can be more sure of now that Chris Dodd is out of the race.
February 2, 2010
Arkansas Senate: Lincoln’s Numbers Worsen, Trails Top GOP Challengers
For incumbent Democratic Senator Blanche Lambert Lincoln, the opponents are interchangeable at this point in her bid for reelection in Arkansas. New Rasmussen Reports polling in the state finds her stuck in the mid-30s against any of five Republican opponents.
