Who Tom Cotton votes with
Across 2044 divided votes — ones where both sides drew a real bloc. Unanimous votes are excluded: everyone agrees with everyone on those, so counting them would measure attendance rather than agreement.
Most often with
| Member | Party | Agreement |
|---|---|---|
| Alan Armstrong | R | 100.0% (138/138) |
| James C. Justice | R | 99.9% (760/761) |
| Bernie Moreno | R | 99.6% (788/791) |
| Jim Banks | R | 99.6% (781/784) |
| Tim Sheehy | R | 99.6% (770/773) |
| John R. Curtis | R | 99.4% (771/776) |
| David McCormick | R | 99.3% (763/768) |
| Jon Husted | R | 99.1% (783/790) |
| Ashley Moody | R | 99.0% (773/781) |
| Katie Boyd Britt | R | 98.8% (1249/1264) |
| John Boozman | R | 98.5% (1994/2025) |
| Pete Ricketts | R | 97.9% (1263/1290) |
| Marsha Blackburn | R | 97.7% (1905/1949) |
| Rick Scott | R | 97.7% (1955/2001) |
| Ted Budd | R | 97.7% (1248/1278) |
| Ted Cruz | R | 97.7% (1870/1914) |
| Tommy Tuberville | R | 97.5% (1889/1937) |
| Eric Schmitt | R | 97.4% (1255/1288) |
| James Lankford | R | 97.4% (1987/2039) |
| Bill Hagerty | R | 97.2% (1882/1937) |
Least often with
| Member | Party | Agreement |
|---|---|---|
| Lisa Blunt Rochester | D | 0.9% (7/789) |
| Chris Van Hollen | D | 1.9% (37/1974) |
| Patty Murray | D | 2.1% (41/1975) |
| Christopher Murphy | D | 2.1% (43/2005) |
| Tina Smith | D | 2.2% (44/1990) |
| Ron Wyden | D | 2.2% (44/2014) |
| Elizabeth Warren | D | 2.3% (47/2023) |
| Edward J. Markey | D | 2.3% (47/2013) |
| Mazie K. Hirono | D | 2.4% (49/2036) |
| Maria Cantwell | D | 2.4% (48/2033) |
| Jeff Merkley | D | 2.5% (50/1993) |
| Angela D. Alsobrooks | D | 2.6% (20/781) |
| Richard Blumenthal | D | 2.7% (55/2021) |
| Brian Schatz | D | 2.7% (55/2019) |
| Alex Padilla | D | 2.8% (55/1989) |
| Cory A. Booker | D | 2.9% (58/1968) |
| Tammy Duckworth | D | 3.0% (58/1966) |
| Tammy Baldwin | D | 3.0% (61/2031) |
| Ben Ray Luján | D | 3.2% (64/1971) |
| Peter Welch | D | 3.5% (45/1268) |
Only members with at least 20 comparable votes are listed. Agreement is not endorsement and not coordination — two members can vote the same way for opposite reasons, and the record almost never says why.