Class I terms run from the beginning of the 119th Congress on January 3, 2025, to the end of the 121st Congress on January 3, 2031. Senators in Class I were elected to office in the November 2024 general election, unless they took their seat through appointment or special election.
Alsobrooks, Angela D. (D-MD) |
Baldwin, Tammy (D-WI) |
Blunt Rochester, Lisa (D-DE) |
Cantwell, Maria (D-WA) |
Gallego, Ruben (D-AZ) |
Gillibrand, Kirsten E. (D-NY) |
Heinrich, Martin (D-NM) |
Hirono, Mazie K. (D-HI) |
Kaine, Tim (D-VA) |
Kim, Andy (D-NJ) |
Klobuchar, Amy (D-MN) |
Murphy, Christopher (D-CT) |
Rosen, Jacky (D-NV) |
Schiff, Adam B. (D-CA) |
Slotkin, Elissa (D-MI) |
Warren, Elizabeth (D-MA) |
Whitehouse, Sheldon (D-RI) |
Banks, Jim (R-IN) |
Barrasso, John (R-WY) |
Blackburn, Marsha (R-TN) |
Cramer, Kevin (R-ND) |
Cruz, Ted (R-TX) |
Curtis, John R. (R-UT) |
Fischer, Deb (R-NE) |
Hawley, Josh (R-MO) |
Justice, James C. (R-WV) |
McCormick, David (R-PA) |
Moreno, Bernie (R-OH) |
Scott, Rick (R-FL) |
Sheehy, Tim (R-MT) |
Wicker, Roger F. (R-MS) |
Independents |
King, Angus S., Jr. (I-ME) |
Sanders, Bernard (I-VT) |
Article I, section 3 of the U.S. Constitution mandates the Senate's class structure.
Amendment XVII (1913) provides for direct election of Senators.