Poll Watch: Portland Press Herald/Maine Sunday Telegram/Critical Insights Maine 2012 Senatorial Survey

Portland Press Herald/Maine Sunday Telegram/Critical Insights Maine 2012 Senate Poll

• Angus King (I) 50% {55%}
• Charlie Summers (R) 28% {27%}
  
• Cynthia Dill (D) 12% {7%}
• Other/Undecided 10% {10%}

Survey of 618 likely voters was conducted September 12-16, 2012. The margin of error is +/- 4 percentage points.  Results from the poll conducted June 20-25, 2012 are in curly brackets.

Inside the numbers: 

Among Democrats, King's support dropped from 67 percent in June to 62 percent in September, while Dill's increased from 17 percent to 25 percent.

King's lead in September is still substantial, even with the variation in recent polls. He has especially strong support among women (52 percent), young voters (58 percent), college graduates (58 percent) and voters with household incomes over $100,000 a year (59 percent), according to the Critical Insights poll.

Summers' support, meanwhile, is strongest among men (34 percent) and middle-aged voters (34 percent), and he has the most support of any candidate among voters who have a high school diploma or did not complete high school (39 percent).

While King leads Summers overall, 50 percent to 28 percent, a larger portion of his support is in the "probably" or "leaning" categories.

Comparing only "definite" voters, King leads 32 percent to 22 percent.