May 6: Insider Advantage has Obama leading in its North Carolina poll, but the race is significantly tighter:
Barack Obama: 47%
Hillary Clinton: 43%
May 6: Zogby has Obama with a big lead on the day of voting in the North Carolina primary:
Barack Obama: 51%
Hillary Clinton: 37%
May 4: Public Policy Polling also is favoring Obama immediately before the North Carolina primary (pdf):
Barack Obama: 53%
Hillary Clinton: 43%
May 4: Obama is holding a lead in ARG's final North Carolina poll as well:
Barack Obama: 50%
Hillary Clinton: 42%
May 4: Obama has held his lead in the latest Zogby daily tracking polls of the North Carolina primary:
Barack Obama: 48%
Hillary Clinton: 39%
Undecided: 13%
May 2 Insider Advantage has Obama holding a slim lead in its latest North Carolina poll. From the internals, IA is assuming black voters will represent 25% of the voting electorate:
Barack Obama: 49%
Hillary Clinton: 44%
May 2 American Research Group is also suggesting that Obama is holding his lead in the North Carolina primary:
Barack Obama: 52%
Hillary Clinton: 41%
Undecided: 5%
May 2: Research 2000 has Obama maintaining his lead in the latest North Carolina poll:
Barack Obama: 51%
Hillary Clinton: 44%
May 2: Zogby's daily tracking poll shows Obama with a double-digit lead in the North Carolina primary:
Barack Obama: 50%
Hillary Clinton: 34%
May 1: Mason Dixon has released a North Carolina poll that confirms a tightened race:
Barack Obama: 49%
Hillary Clinton: 42%
Undecided: 9%
May 1: Insider Advantage has released the first North Carolina poll showing Clinton leading Obama:
Hillary Clinton: 44%
Barack Obama: 42%
Undecided: 14%
April 29: A SurveyUSA North Carolina poll shows a considerably closer race than the other polling firms. SurveyUSA also gave a smaller initial lead that anyone else in the race, but the tightening is now showing across the board:
Barack Obama: 49%
Hillary Clinton: 44%
April 29: Another Rasmussen poll shows Clinton gaining ground in North Carolina, but Obama maintains a sizeable lead:
Barack Obama: 51%
Hillary Clinton: 37%
April 28: Clinton is gaining ground in the latest North Carolina poll from Public Policy Polling, though Obama still holds a solid lead (pdf):
Barack Obama: 51%
Hillary Clinton: 39%
April 28: Obama has held his lead in the North Carolina primary, according to the latest ARG poll:
Barack Obama: 52%
Hillary Clinton: 42%
Undecided: 4%
April 23: Obama has held onto his North Carolina lead for the past three months, though those numbers were taken prior to the Pennsylvania primary:
Barack Obama: 50%
Hillary Clinton: 41%
Undecided: 5%
April 21: On the eve of the Pennsylvania primary, Obama has shown his biggest lead thus far in a PPP poll:
Barack Obama: 57%
Hillary Clinton: 32%
April 14: A PPP poll suggests that Obama's "bitter" comments haven't had any effect on his lead thus far:
Barack Obama: 54%
Hillary Clinton: 34%
April 9: A Survey USA poll has Obama maintaining the same 10-point lead he held a month ago:
Barack Obama: 49%
Hillary Clinton: 39%
April 7: A PPP poll (pdf) has Obama maintaining his large lead of Clinton in North Carolina:
Barack Obama: 54%
Hillary Clinton: 33%
Undecided 13%
April 6: A Braun Research poll shows Obama with a big lead, and a huge number of undecideds:
Barack Obama: 35%
Hillary Clinton: 26%
Undecided: 39%
APRIL 5: A Charlotte Observer poll finds a closer race than recent polls, with two of five voters still undecided:
Barack Obama: 35%
Hillary Clinton: 26%
APRIL 5: A Rasmussen poll shows Obama with a huge north Carolina lead:
Barack Obama: 56%
Hillary Clinton: 33%
MARCH 31: A PPP poll (pdf) has Barack Obama with a sizable lead in North Carolina, following a full week with both candidates campaigning in the state:
Obama: 54%
Clinton: 36%
MARCH 27: An Insider Advantage poll shows Barack Obama with a double digit lead, although a large number of voters remain undecided:
Barack Obama: 49%
Hillary Clinton: 34%
Undecided: 17%