Poll Update

North Dakota - 2012 Senate - Heitkamp 47%, Berg 46% (Mason-Dixon 6/4-6/6/12)

Population 625 Likely Voters
Margin of Error ±4.0 percentage points
Polling Method Live Phone
Source Mason-Dixon
This poll asked respondents 4 questions tracked by HuffPost Pollster.

1) 2012 North Dakota Senate: Berg vs. Heitkamp

Asked of 625 likely voters
Rick Berg (R) 46%
Heidi Heitkamp (D) 47%
Undecided 7%

2) 2012 North Dakota Senate: Sand vs. Heitkamp

Asked of 625 likely voters
Heidi Heitkamp (D) 46%
Duane Sand (R) 38%
Undecided 16%

3) 2012 North Dakota Senate Republican Primary

Asked of 625 likely voters
Rick Berg (R) 73%
Duane Sand (R) 16%
Undecided 11%

4) 2012 North Dakota President: Romney vs. Obama

Asked of 625 likely voters
Barack Obama 39%
Mitt Romney 52%