https://morningconsult.com/2017/10/3...-october-2017/
most popular senators

1 Bernie Sanders (I-VT) 71% - 22%

2 Patrick Leahy (D-VT) 67% - 22%

3 John Hoeven (R-ND) 63% - 20%

4 Susan Collins (R-ME) 62% - 30%

5 Angus King (I-ME) 61% - 27%

6 Brian Schatz (D-HI) 60% - 22%

7 Mazie Hirono (D-HI) 60% - 24%

8 Amy Klobuchar (D-MN) 59% - 26%

9 Ron Wyden (D-OR) 56% - 23%

10 John Thune (R-SD) 56% - 31
least popular senators

1 Mitch McConnell (R-KY) 55% - 33%

2 Jeff Flake (R-AZ) 48% - 33%

3 John McCain (R-AZ) 44% - 46%

4 Robert Menendez (D-NJ) 41% - 32%

5 Orrin Hatch (R-UT) 41% - 46%

6 Pat Roberts (R-KS) 40% - 39%

7 Dean Heller (R-NV) 39% - 39%

8 Cory Gardner (R-CO) 39% - 40%

9 Ron Johnson (R-WI) 39% - 41%

10 Claire McCaskill (D-MO) 39% - 42%