Who Catherine Cortez Masto votes with
Across 2067 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 |
|---|---|---|
| Jacky Rosen | D | 97.0% (1973/2035) |
| John W. Hickenlooper | D | 96.4% (1949/2021) |
| Kirsten E. Gillibrand | D | 96.4% (1962/2035) |
| Alex Padilla | D | 96.3% (1942/2017) |
| Jon Ossoff | D | 96.2% (1913/1989) |
| Michael F. Bennet | D | 96.1% (1900/1977) |
| Brian Schatz | D | 96.0% (1959/2041) |
| Richard Blumenthal | D | 96.0% (1965/2046) |
| Ben Ray Luján | D | 95.9% (1914/1995) |
| Patty Murray | D | 95.9% (1917/1998) |
| Raphael G. Warnock | D | 95.9% (1911/1993) |
| Christopher Murphy | D | 95.8% (1943/2028) |
| Cory A. Booker | D | 95.8% (1904/1987) |
| Maria Cantwell | D | 95.8% (1969/2056) |
| Ron Wyden | D | 95.8% (1950/2035) |
| Tina Smith | D | 95.8% (1928/2013) |
| Chris Van Hollen | D | 95.7% (1911/1997) |
| Christopher A. Coons | D | 95.7% (1913/1998) |
| Tammy Baldwin | D | 95.7% (1965/2054) |
| Mark R. Warner | D | 95.6% (1913/2001) |
Least often with
| Member | Party | Agreement |
|---|---|---|
| Alan Armstrong | R | 2.9% (4/137) |
| Tommy Tuberville | R | 4.3% (85/1959) |
| Marsha Blackburn | R | 4.6% (91/1975) |
| Ted Cruz | R | 4.7% (92/1941) |
| Rick Scott | R | 5.1% (103/2019) |
| Ron Johnson | R | 5.4% (110/2020) |
| James Lankford | R | 5.5% (114/2057) |
| Bill Hagerty | R | 5.6% (109/1962) |
| Tom Cotton | R | 5.8% (118/2021) |
| Tim Scott | R | 6.0% (116/1939) |
| Katie Boyd Britt | R | 6.0% (76/1276) |
| John Barrasso | R | 6.0% (116/1927) |
| Roger Marshall | R | 6.2% (125/2013) |
| Mike Lee | R | 6.3% (126/2012) |
| Cynthia M. Lummis | R | 6.3% (126/2003) |
| Steve Daines | R | 6.5% (129/1989) |
| Eric Schmitt | R | 6.6% (86/1304) |
| Ted Budd | R | 6.7% (87/1291) |
| John Boozman | R | 6.8% (139/2048) |
| Josh Hawley | R | 7.0% (139/1982) |
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.