Ballotpedia Poll The samples in each state were drawn from a list of all active registered voters. All respondents are confirmed as registered voters in their states. From June 10 – 22, live interviewers called land lines and cell phones across seven states to survey:
- 596 Florida voters with a margin of error of +/- 4.0 percentage points;
- 601 Iowa voters with a margin of error of +/- 4.0 percentage points;
- 612 Michigan voters with a margin of error of +/- 4.0 percentage points;
- 603 North Carolina voters with a margin of error of +/- 4.0 percentage points;
- 617 Ohio voters with a margin of error of +/- 3.9 percentage points;
- 601 Pennsylvania voters with a margin of error of +/- 4.0 percentage points.
- 612 Virginia voters with a margin of error of +/- 3.9 percentage points.
