Who Robert P. Casey, Jr. votes with
Across 1259 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 |
|---|---|---|
| Ben Ray Luján | D | 99.2% (1188/1197) |
| Brian Schatz | D | 99.1% (1229/1240) |
| Gary C. Peters | D | 99.0% (1232/1244) |
| Jack Reed | D | 99.0% (1244/1256) |
| Kirsten E. Gillibrand | D | 99.0% (1230/1242) |
| Martin Heinrich | D | 99.0% (1223/1235) |
| Michael F. Bennet | D | 99.0% (1230/1242) |
| Sheldon Whitehouse | D | 99.0% (1226/1239) |
| Tammy Duckworth | D | 98.9% (1220/1234) |
| Tina Smith | D | 98.9% (1229/1243) |
| John Fetterman | D | 98.8% (404/409) |
| Mark R. Warner | D | 98.8% (1214/1229) |
| Richard J. Durbin | D | 98.8% (1211/1226) |
| Alex Padilla | D | 98.7% (1216/1232) |
| John W. Hickenlooper | D | 98.7% (1208/1224) |
| Amy Klobuchar | D | 98.6% (1224/1241) |
| Richard Blumenthal | D | 98.6% (1229/1246) |
| Christopher A. Coons | D | 98.5% (1214/1233) |
| Christopher Murphy | D | 98.5% (1223/1242) |
| Jeanne Shaheen | D | 98.5% (1190/1208) |
Least often with
| Member | Party | Agreement |
|---|---|---|
| Tommy Tuberville | R | 1.7% (20/1204) |
| Ted Cruz | R | 1.9% (22/1166) |
| Marsha Blackburn | R | 2.0% (24/1203) |
| Rick Scott | R | 2.4% (29/1213) |
| Ron Johnson | R | 3.0% (37/1222) |
| Bill Hagerty | R | 3.4% (40/1177) |
| Katie Boyd Britt | R | 3.6% (18/496) |
| Mike Lee | R | 3.7% (46/1231) |
| John Barrasso | R | 3.7% (42/1123) |
| James Lankford | R | 3.8% (47/1252) |
| Tim Scott | R | 3.9% (45/1153) |
| Josh Hawley | R | 3.9% (47/1206) |
| Eric Schmitt | R | 3.9% (20/510) |
| Roger Marshall | R | 4.0% (49/1211) |
| Tom Cotton | R | 4.1% (50/1221) |
| Cynthia M. Lummis | R | 4.3% (52/1219) |
| Steve Daines | R | 4.5% (54/1206) |
| Rand Paul | R | 4.5% (55/1210) |
| Ted Budd | R | 5.6% (29/516) |
| John Boozman | R | 5.7% (71/1252) |
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.