(Updated 12/18) Latest Democratic nomination poll results - courtesy of RealClearPolitics.com

Friday, December 11

2016 Democratic Presidential Nomination (FOX News) Clinton 56, Sanders 34, O'Malley 2
Clinton +22

2016 Democratic Presidential Nomination (ABC /Wash Post) Clinton 59, Sanders 28, O'Malley 5
Clinton +31

New Hampshire 2016 Democratic Primary (Boston Herald) Sanders 48, Clinton 46, O'Malley 2
Sanders +2

Thursday, December 12

(No new Democratic primary polls)

Wednesday, 12/16/15

2016 Democratic Presidential Nomination (Monmouth) Clinton 59, Sanders 26, O'Malley 4
Clinton +33

Tuesday, December 15

Iowa Democratic Presidential Caucus (Loras College) Clinton 59, Sanders 27, O'Malley 4
Clinton +32

Iowa Democratic Presidential Caucus (PPP) Clinton 52, Sanders 34, O'Malley 7
Clinton +18

Monday, December 14

2016 Democratic Presidential Nomination (NBC/WSJ) Clinton 56, Sanders 37, O'Malley 4
Clinton +19

Iowa Democratic Presidential Caucus (DMR/Bloomberg) Clinton 48, Sanders 39, O'Malley 4
Clinton +9

Sunday, December 13

Iowa Democratic Presidential Caucus (FOX News) Clinton 50, Sanders 36, O'Malley 5
Clinton +14

Saturday, December 12

(No new Democratic primary polls)

Friday, December 11

(No new Democratic primary polls)

Thursday, 12/10/15

2016 Democratic Presidential Nomination (CBS/NYTimes) Clinton 52, Sanders 32, O'Malley 2
Clinton +20

Wednesday, 12/9/15:

New Hampshire 2016 Democratic Primary (CNN/WMUR) Sanders 50, Clinton 40, O'Malley 1
Sanders +10

Tuesday, 12/8/15:

Iowa Democratic Presidential Caucus (Monmouth) Clinton 55, Sanders 33, O'Malley 6
Clinton +22

North Carolina Democratic Presidential Primary (PPP) Clinton 60, Sanders 21, O'Malley 10
Clinton +39

Monday, 12/7/15:

Iowa Democratic Presidential Caucus (CNN/ORC) Clinton 54, Sanders 36, O'Malley 4
Clinton +18

2016 Democratic Presidential Nomination (IBD/TIPP) Clinton 51, Sanders 33, O'Malley 1
Clinton +18