Template:2016 Montana Democratic presidential primary polls

Poll source	Date	1st	2nd	3rd	Other
Official Primary results^[1]	June 7, 2016	Bernie Sanders 51.6%	Hillary Clinton 44.2%		No Preference 4.3%
Gravis Marketing^[2] Margin of error: 3% Sample size: 1,035	February 24–25, 2015	Hillary Clinton 42.2%	Elizabeth Warren 34.3%	Joe Biden 5.9%	Jim Webb 2.9%, Mark Warner 2%, Martin O'Malley 1%, Unsure 11.8%
Public Policy Polling^[3] Margin of error: ± 5% Sample size: 381	November 15–17, 2013	Hillary Clinton 47%	Brian Schweitzer 26%	Elizabeth Warren 8%	Joe Biden 6%, Andrew Cuomo 3%, Cory Booker 1%, Martin O'Malley 1%, Kirsten Gillibrand 0%, Mark Warner 0%, Someone Else/Undecided 7%
Public Policy Polling^[4] Margin of error: ± 5.6% Sample size: 316	June 21–23, 2013	Hillary Clinton 52%	Brian Schweitzer 17%	Joe Biden 9%	Cory Booker 3%, Elizabeth Warren 3%, Andrew Cuomo 1%, Kirsten Gillibrand 1%, Martin O'Malley 0%, Mark Warner 0%, Someone Else/Undecided 13%
Public Policy Polling^[5] Margin of error: ± 5.1% Sample size: 371	February 15–17, 2013	Hillary Clinton 58%	Brian Schweitzer 22%	Joe Biden 9%	Elizabeth Warren 5%, Andrew Cuomo 3%, Martin O'Malley 1%, Deval Patrick 1%, Kirsten Gillibrand 0%, Mark Warner 0%, Someone Else/Undecided 5%
		Brian Schweitzer 35%	Joe Biden 28%	Elizabeth Warren 13%	Mark Warner 5%, Andrew Cuomo 4%, Kirsten Gillibrand 1%, Martin O'Malley 1%, Deval Patrick 0%, Someone Else/Undecided 13%
		Brian Schweitzer 46%	Elizabeth Warren 18%	Andrew Cuomo 12%	Mark Warner 3%, Martin O'Malley 2%, Kirsten Gillibrand 1%, Deval Patrick 1%, Someone Else/Undecided 18%

References