Morning Consult looked at the most popular Senators in America last week. I'm going to repost, from most to least popular. Kind of an eye-opening list, especially for 2016 and 2020.
https://morningconsult.com/senate-approval-bernie-rubio-cruz/
Bernie Sanders (I-VT): 80/17
Susan Collins (R-ME): 79/13
Angus King (I-ME): 74/14
John Hoeven: (R-ND): 74/10
Patrick Leahy (D-VT): 73/10
Tom Carper (D-DE): 69/20
Amy Klobuchar (D-MN): 68/21
John Barrasso (R-WY): 65/27
Chris Coons (D-DE): 63/24
Al Franken (D-MN): 63/26
Chuck Schumer (D-NY): 62/23
John Thune (R-SD): 62/26
Mark Warner (D-VA): 62/21
Elizabeth Warren (D-MA): 61/27
Barbara Mikulski (D-MD): 60/21
Richard Shelby (R-AL): 59/28
Lisa Murkowski (R-AK): 59/21
Richard Blumenthal (D-CT): 59/27
Steve Daines (R-MT): 59/23
Jack Reed (D-RI): 59/25
Jeanne Shaheen (D-NH): 58/33
Ron Wyden (D-OR): 58/21
Mike Enzi (R-WY): 58/21
Tom Udall (D-NM): 57/23
Patty Murray (D-WA): 57/27
Shelley Moore Capito (R-WV): 57/25
Joe Manchin (D-WV): 57/30
Kirsten Gillibrand (D-NY): 56/20
Dan Sullivan (R-AK): 55/23
Chuck Grassley (R-IA): 55/29
Ted Cruz (R-TX): 55/30
Maria Cantwell (D-WA): 55/24
Jeff Sessions (R-AL): 54/24
Ben Cardin: (R-MD): 54/18
Kelly Ayotte (R-NH): 54/35
Chris Murphy (D-CT): 53/27
Thad Cochran (R-MI): 53/28
Deb Fischer (R-NE): 53/30
Lamar Alexander (R-TN): 53/29
Tim Kaine (D-VA): 53/24
Dianne Feinstein (D-CA): 52/32
Bill Nelson (D-FL): 52/24
Mazie Hirono (D-HI): 52/28
Cory Booker (D-NJ): 52/24
Jeff Merkley (D-OR): 52/23
Sheldon Whitehouse (D-RI): 52/33
Barbara Boxer (D-CA): 51/32
Cory Gardner (R-CO): 51/27
David Perdue (R-GA): 51/24
Mike Crapo (R-ID): 51/28
Rand Paul (R-KY): 51/35
Ed Markey (D-MA): 51/19
Mike Rounds (R-SD): 51/29
Tom Cotton (R-AR): 50/32
John Isakson (R-GA): 50/23
Dan Coats (R-IN): 50/24
Ben Sasse (R-NE): 50/28
Heidi Heitkamp (D-ND): 50/35
Sherrod Brown (D-OH): 50/27
Tim Scott (R-SC): 50/18
Bob Corker (R-TN): 50/29
John McCain (R-AZ): 49/42
Roy Blunt (R-MO): 49/29
Martin Heinrich (D-NM): 49/24
James Inhofe (R-OK): 49/29
Orrin Hatch (R-UT): 49/41
Joe Donnelly (D-IN): 48/24
Debbie Stabenow (D-MI): 48/34
Claire McCaskill (D-MO): 48/38
Jon Tester (D-MT): 48/40
Dean Heller (R-NV): 48/22
Lindsey Graham (R-SC): 48/33
Mike Lee (R-UT): 48/29
John Boozman (R-AR): 47/25
James Risch (R-ID): 47/26
Joni Ernst (R-IA): 47/32
James Lankford (R-OK): 47/26
Bob Casey (D-PA): 47/27
Michael Bennet (D-CO): 46/26
Brian Schatz (D-HI): 46/33
Roger Wicker (R-MS): 46/25
Pat Toomey (R-PA): 46/28
Marco Rubio (R-FL): 45/41
Harry Reid (D-NV): 45/41
John Cornyn (R-TX): 45/23
David Vitter (R-LA): 44/40
Richard Burr (R-NC): 44/29
Rob Portman (R-OH): 44/24
Dick Durbin (D-IL): 43/36
Ron Johnson (R-WI): 43/32
Tammy Baldwin (D-WI): 43/37
Jeff Flake (R-AZ): 42/35
Bob Menendez (D-NJ): 42/32
Jerry Moran (R-KS): 41/31
Thom Tillis (R-NC): 41/32
Mitch McConnell (R-KY): 40/49
Bill Cassidy (R-LA): 40/31
Mark Kirk (R-IL): 39/33
Gary Peters (D-MI): 38/28
Looking around, I didn't realize that Tammy Baldwin's favorables were that meh (and backed up by other polls too). Insane that Heitkamp has a +15 favorability as a Democrat in North Dakota in 2016.