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Election 2010: Iowa Senate

Iowa Senate: Grassley (R) Remains Nearly 20 Points Ahead of Conlin (D)

Longtime Iowa Senator Chuck Grassley continues to outpace Democratic challenger Roxanne Conlin in his bid for a sixth term in the U.S. Senate.

 A new Rasmussen Reports telephone survey of Likely Iowa Voters finds the Republican incumbent earning 55% of the vote. Conlin receives support from 37%.  Three percent (3%) prefer some other candidate in the race, while five percent (5%) are still undecided. (To see survey question wording, click here.)

Grassley was reelected in 2004 with 70% of the vote, and this race remains Solid Republican in the Rasmussen Reports Election 2010 Senate Balance of Power rankings.

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The survey of 500 Likely Voters in Iowa was conducted on September 23, 2010 by Rasmussen Reports. The margin of sampling error is +/- 4.5 percentage points with a 95% level of confidence. Field work for all Rasmussen Reports surveys is conducted by Pulse Opinion Research, LLC. See methodology.

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