| Casualty List | | |
| 119th Congress | | |
| (as of 10/15/2025) | | |
| | | |
| Retiring or seeking other office | | |
| Democrats | Republicans | |
| Gottheimer (D), NJ (Governor) | Biggs (R), AZ (Governor) | |
| Sherrill (D), NJ (Governor) | Donalds (R), FL (Governor) | |
| Pappas (D), NH (Senate) | Rose (R), TN (Governor) | |
| Stevens (D), MI (Senate) | James (R), MI (Governor) | |
| Craig (D), MN (Senate) | Barr (R), KY (Senate) | |
| Schakowsky (D), IL | Feenstra (R), IA (Governor) | |
| Krishnamoorthi (D), IL (Senate) | Bacon (R), NE | |
| Kelly (D), IL (Senate) | Johnson, Dusty (R), SD (Governor) | |
| Evans (D), PA | Norman (R), SC (Governor) | |
| Davis (D), IL | Collins (R), GA (Senate) | |
| Nadler (D), NY | Mace (R), SC (Governor) | |
| Moulton (D), MA (Senate) | Moore, Barry (R), AL (Senate) | |
| | Roy (R), TX (TX Attorney General) | |
| | Hinson (R), IA (Senate) | |
| | Carter, Buddy (R), GA (Senate) | |
| | Luttrell (R), TX | |
| | Tiffany (R), WI (Governor) | |
| | Schweikert (R), AZ (Governor) | |
| | Hunt (R), TX (Senate) | |
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| Resigned/Died | | |
| Departed Member* | Special Election | Successor |
| Gaetz (R), FL | Tuesday, April 1, 2025 | Patronis (R), FL |
| Waltz (R), FL | Tuesday, April 1, 2025 | Fine (R), FL |
| Turner (D), TX | Tuesday, November 4, 2025 | TBA |
| Grijalva, Raúl (D), AZ | Tuesday, September 23, 2025 | Grijalva, Adelita (D), AZ |
| Connolly (D), VA | Tuesday, September 9, 2025 | Walkinshaw (D), VA |
| Green (R), TN | Tuesday, December 2, 2025 | TBA |
| | | |
| | | |
| *Rep. Matt Gaetz (R-FL) resigned November 13, 2024 and did not take the oath of office for the 119th Congress. | | |
| *Rep. Michael Waltz (R-FL) resigned January 20, 2025. | | |
| *Rep. Sylvester Turner (D-TX) died March 4, 2025. | | |
| *Rep. Raúl Grijalva (D-AZ) died March 13, 2025. | | |
| *Rep. Gerry Connolly (D-VA) died May 21, 2025. | | |
| *Rep. Mark Green (R-TN) resigned July 21, 2025. | | |
