Democratic House Minority Leader Nancy Pelosi was the most well-known and the least well-liked, results indicated. Thirty-one percent of Americans said they view Pelosi favorably and 48 percent said they viewed her unfavorably.
Pelosi's net minus-17 image score compares with minus-11 image score for Democratic Senate Majority Leader Harry Reid, minus-10 for Republican Speaker of the House John Boehner, and minus-8 for Republican Senate Minority Leader Mitch McConnell, the Princeton, N.J., polling agency said.
Americans also rated Pelosi as the most polarizing of the four congressional leaders, a view held the last time the four were rated in May 2010.
Gallup said Pelosi, when compared with Boehner, Reid, and McConnell, received the highest favorable reviews from members of her own party and the highest unfavorable reviews from members of the opposing party.
Results are based on nationwide telephone interviews with 1,012 adults conducted April 11-14. The margin of error is 4 percentage points.