Poll Watch: NBC News/Wall Street Journal/Marist Ohio 2012 Senatorial Survey

NBC/WSJ/Marist Ohio 2012 Senate Poll

Likely Voters

• Sherrod Brown (D) 49%
• Josh Mandel (R) 42%
• Undecided 9%

Registered Voters

• Sherrod Brown (D) 48% [51%] (47%)
• Josh Mandel (R) 41% [37%] (37%)
• Undecided 11% [12%] (16%)

Survey of 1,316 registered voters, including 979 likely voters, was conducted September 9-11, 2012. The margin of error is +/- 2.7 percentage points among registered voters; +/- 3.1 percentage points among likely voters.  Party ID (among registered voters): 37% [37%] Democrat; 28% [28%] Republican; 34% [34%] Independent.  Party ID (among likely voters): 38% Democrat; 28% Republican; 32% Independent.  Ideology (among registered voters): 33% [36%] Moderate; 30% [31%] Conservative; 18% [17%] Liberal; 13% [13%] Very conservative; 7% [4%] Very liberal.  Ideology (among likely voters): 32% Moderate; 30% Conservative; 17% Liberal; 14% Very conservative; 7% Very liberal.  Results from the poll conducted May 17-20, 2012 are in square brackets. Results from the poll conducted February 29 - March 2, 2012 are in parentheses.