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Home About Races Endorsements Contribute U.S. Senators 113th Congress There are 100 members of the United States Senate — 2 from each of the 50 states. Currently, 55 senators caucus with the Democrats and 45 senators caucus with the Republicans. Use our interactive floor chart and the links provided to learn more about the senators. We've provided information about how long they have been in office, their voting records, and when they're up for re-election. DEMOCRATS 54 REPUBLICANS 46 State Name Served Cycle Address Phone Email AK Begich, Mark DEMOCRAT 4 years 2014 111 Russell, Washington, DC 20510 202-224-3004 Email AK Murkowski, Lisa REPUBLICAN 10 years 2016 709 Hart, Washington, DC 20510 202-224-6665 Email AL Sessions, Jefferson REPUBLICAN 16 years 2014 326 Russell, Washington, DC 20510 202-224-4124 Email AL Shelby, Richard REPUBLICAN 26 years 2016 304 Russell, Washington, DC 20510 202-224-5744 Email AR Pryor, Mark DEMOCRAT 10 years 2014 255 Dirksen, Washington, DC 20510 202-224-2353 Email AR Boozman, John REPUBLICAN 2 years 2016 320 Hart, Washington, DC 20510 202-224-4843 Email AZ Flake, Jeff REPUBLICAN 0 years 2018 368 Russell, Washington, DC 20510 202-224-4521 Email AZ McCain, John REPUBLICAN 26 years 2016 241 Russell, Washington, DC 20510 202-224-2235 Email CA Boxer, Barbara DEMOCRAT 20 years 2016 112 Hart, Washington, DC 20510 202-224-3553 Email CA Feinstein, Dianne DEMOCRAT 21 years 2018 331 Hart, Washington, DC 20510 202-224-3841 Email CO Bennet, Michael DEMOCRAT 4 years 2016 458 Russell, Washington, DC 20510 202-224-5852 Email CO Udall, Mark DEMOCRAT 4 years 2014 730 Hart, Washington, DC 20510 202-224-5941 Email CT Murphy, Christopher DEMOCRAT 0 years 2018 303 Hart, Washington, DC 20510 202-224-4041 Email CT Blumenthal, Richard DEMOCRAT 2 years 2016 724 Hart, Washington, DC 20510 202-224-2823 Email DE Carper, Thomas DEMOCRAT 12 years 2018 513 Hart, Washington, DC 20510 202-224-2441 Email DE Coons, Chris DEMOCRAT 2 years 2014 127A Russell, Washington, DC 20510 202-224-5042 Email FL Rubio, Marco REPUBLICAN 2 years 2016 284 Russell, Washington, DC 20510 202-224-3041 Email FL Nelson, Bill DEMOCRAT 12 years 2018 716 Hart, Washington, DC 20510 202-224-5274 Email GA Isakson, John REPUBLICAN 8 years 2016 131 Russell, Washington, DC 20510 202-224-3643 Email GA Chambliss, Saxby REPUBLICAN 10 years 2014 416 Russell, Washington, DC 20510 202-224-3521 Email HI Hirono, Mazie DEMOCRAT 0 years 2018 330 Hart, Washington, DC 20510 202-224-6361 Email HI Schatz, Brian DEMOCRAT 0 years 2014 722 Hart, Washington, DC 20510 202-224-3934 Email IA Harkin, Thomas DEMOCRAT 28 years 2014 731 Hart, Washington, DC 20510 202-224-3254 Email IA Grassley, Charles REPUBLICAN 32 years 2016 135 Hart, Washington, DC 20510 202-224-3744 Email ID Crapo, Michael REPUBLICAN 14 years 2016 239 Dirksen, Washington, DC 20510 202-224-6142 Email ID Risch, James REPUBLICAN 4 years 2014 483 Russell, Washington, DC 20510 202-224-2752 Email IL Kirk, Mark REPUBLICAN 2 years 2016 524 Hart, Washington, DC 20510 202-224-2854 Email IL Durbin, Richard DEMOCRAT 16 years 2014 711 Hart, Washington, DC 20510 202-224-2152 Email IN Donnelly, Joe DEMOCRAT 0 years 2018 720 Hart, Washington, DC 20510 202-224-4814 Email IN Coats, Daniel REPUBLICAN 12 years 2016 493 Russell, Washington, DCn 20510 202-224-5623 Email KS Roberts, Pat REPUBLICAN 16 years 2014 109 Hart, Washington, DC 20510 202-224-4774 Email KS Moran, Jerry REPUBLICAN 2 years 2016 361A Russell, Washington, DC 20510 202-224-6521 Email KY Paul, Rand REPUBLICAN 2 years 2016 124 Russell, Washington, DC 20510 202-224-4343 Email KY McConnell, Mitch REPUBLICAN 28 years 2014 317 Russell, Washington, DC 20510 202-224-2541 Email LA Landrieu, Mary DEMOCRAT 16 years 2014 703 Hart, Washington, DC 20510 202-224-5824 Email LA Vitter, David REPUBLICAN 8 years 2016 516 Hart, Washington, DC 20510 202-224-4623 Email MA Warren, Elizabeth DEMOCRAT 0 years 2018 317 Hart, Washington, DC 20510 202-224-4543 Email MA Markey, Edward DEMOCRAT 0 years 2014 218 Russell, Washington, DC 20510 202-224-2742 Email MD Cardin, Benjamin DEMOCRAT 6 years 2018 509 Hart, Washington, DC 20510 202-224-4524 Email MD Mikulski, Barbara DEMOCRAT 26 years 2016 503 Hart, Washington, DC 20510 202-224-4654 Email ME King, Angus INDEPENDENT 0 years 2018 359 Dirksen, Washington, DC 20510 202-224-5344 Email ME Collins, Susan REPUBLICAN 16 years 2014 413 Dirksen, Washington, DC 20510 202-224-2523 Email MI Levin, Carl DEMOCRAT 33 years 2014 269 Russell, Washington, DC 20510 202-224-6221 Email MI Stabenow, Debbie DEMOCRAT 12 years 2018 133 Hart, Washington, DC 20510 202-224-4822 Email MN Franken, Alan DEMOCRAT 4 years 2014 309 Hart, Washington, DC 20510 202-224-5641 Email MN Klobuchar, Amy DEMOCRAT 6 years 2018 302 Hart, Washington, DC 20510 202-224-3244 Email MO Blunt, Roy REPUBLICAN 2 years 2016 260 Russell, Washington, DC 20510 202-224-5721 Email MO McCaskill, Claire DEMOCRAT 6 years 2018 506 Hart, Washington, DC 20510 202-224-6154 Email MS Wicker, Roger REPUBLICAN 5 years 2018 555 Dirksen, Washington, DC 20510 202-224-6253 Email MS Cochran, Thad REPUBLICAN 34 years 2014 113 Dirksen, Washington, DC 20510 202-224-5054 Email MT Baucus, Max DEMOCRAT 34 years 2014 511 Hart, Washington, DC 20510 202-224-2651 Email MT Tester, Jon DEMOCRAT 6 years 2018 706 Hart, Washington, DC 20510 202-224-2644 Email NC Hagan, Kay DEMOCRAT 4 years 2014 521 Dirksen, Washington, DC 20510 202-224-6342 Email NC Burr, Richard REPUBLICAN 8 years 2016 217 Russell, Washington, DC 20510 202-224-3154 Email ND Hoeven, John REPUBLICAN 2 years 2016 338 Russell, Washington, DC 20510 202-224-2551 Email ND Heitkamp, Heidi DEMOCRAT 0 years 2018 502 Hart, Washington, DC 20510 202-224-2043 Email NE Johanns, Mike REPUBLICAN 4 years 2014 404 Russell, Washington, DC 20510 202-224-4224 Email NE Fischer, Deb REPUBLICAN 0 years 2018 383 Russell, Washington, DC 20510 202-224-6551 Email NH Shaheen, Jeanne DEMOCRAT 4 years 2014 520 Hart, Washington, DC 20510 202-224-2841 Email NH Ayotte, Kelly REPUBLICAN 2 years 2016 144 Russell, Washington, DC 20510 202-224-3324 Email NJ Chiesa, Jeffrey REPUBLICAN 0 years 2012 141 Hart Washington, DC 20510 202-224-3224 Email NJ Men�ndez, Robert DEMOCRAT 7 years 2018 528 Hart, Washington, DC 20510 202-224-4744 Email NM Heinrich, Martin DEMOCRAT 0 years 2018 702 Hart, Washington, DC 20510 202-224-5521 Email NM Udall, Tom DEMOCRAT 4 years 2014 110 Hart, Washington, DC 20510 202-224-6621 Email NV Heller, Dean REPUBLICAN 2 years 2018 324 Hart, Washington, DC 20510 202-224-6244 Email NV Reid, Harry DEMOCRAT 26 years 2016 522 Hart, Washington, DC 20510 202-224-3542 Email NY Gillibrand, Kirsten DEMOCRAT 4 years 2018 478 Russell, Washington, DC 20510 202-224-4451 Email NY Schumer, Charles DEMOCRAT 14 years 2016 322 Hart, Washington, DC 20510 202-224-6542 Email OH Brown, Sherrod DEMOCRAT 6 years 2018 713 Hart, Washington, DC 20510 202-224-2315 Email OH Portman, Robert REPUBLICAN 2 years 2016 448 Russell, Washington, DC 20510 202-224-3353 Email OK Coburn, Tom REPUBLICAN 8 years 2016 172 Russell, Washington, DC 20510 202-224-5754 Email OK Inhofe, James REPUBLICAN 19 years 2014 205 Russell, Washington, DC 20510 202-224-4721 Email OR Wyden, Ron DEMOCRAT 17 years 2016 221 Dirksen, Washington, DC 20510 202-224-5244 Email OR Merkley, Jeff DEMOCRAT 4 years 2014 313 Hart, Washington, DC 20510 202-224-3753 Email PA Toomey, Patrick REPUBLICAN 2 years 2016 248 Russell, Washington, DC 20510 202-224-4254 Email PA Casey, Robert DEMOCRAT 6 years 2018 393 Russell, Washington, DC 20510 202-224-6324 Email RI Whitehouse, Sheldon DEMOCRAT 6 years 2018 530 Hart, Washington, DC 20510 202-224-2921 Email RI Reed, John DEMOCRAT 16 years 2014 728 Hart, Washington, DC 20510 202-224-4642 Email SC Graham, Lindsey REPUBLICAN 10 years 2014 290 Russell, Washington, DC 20510 202-224-5972 Email SC Scott, Tim REPUBLICAN 0 years 2014 167 Russell, Washington, DC 20510 202-224-6121 Email SD Johnson, Tim DEMOCRAT 16 years 2014 136 Hart, Washington, DC 20510 202-224-5842 Email SD Thune, John REPUBLICAN 8 years 2016 511 Dirksen, Washington, DC 20510 202-224-2321 Email TN Alexander, Lamar REPUBLICAN 10 years 2014 455 Dirksen, Washington, DC 20510 202-224-4944 Email TN Corker, Bob REPUBLICAN 6 years 2018 425 Dirksen, Washington, DC 20510 202-224-3344 Email TX Cornyn, John REPUBLICAN 11 years 2014 517 Hart, Washington, DC 20510 202-224-2934 Email TX Cruz, Ted REPUBLICAN 0 years 2018 185 Dirksen, Washington, DC 20510 202-224-5922 Email UT Lee, Mike REPUBLICAN 2 years 2016 316 Hart, Washington, DC 20510 202-224-5444 Email UT Hatch, Orrin REPUBLICAN 36 years 2018 104 Hart, Washington, DC 20510 202-224-5251 Email VA Warner, Mark DEMOCRAT 4 years 2014 475 Russell, Washington, DC 20510 202-224-2023 Email VA Kaine, Timothy DEMOCRAT 0 years 2018 388 Russell, Washington, DC 20510 202-224-4024 Email VT Leahy, Patrick DEMOCRAT 38 years 2016 437 Russell, Washington, DC 20510 202-224-4242 Email VT Sanders, Bernard INDEPENDENT 6 years 2018 332 Dirksen, Washington, DC 20510 202-224-5141 Email WA Murray, Patty DEMOCRAT 20 years 2016 154 Russell, Washington, DC 20510 202-224-2621 Email WA Cantwell, Maria DEMOCRAT 12 years 2018 311 Hart, Washington, DC 20510 202-224-3441 Email WI Baldwin, Tammy DEMOCRAT 0 years 2018 717 Hart Washington, DC 20510 202-224-5653 Email WI Johnson, Ron REPUBLICAN 2 years 2016 328 Hart, Washington, DC 20510 202-224-5323 Email WV Rockefeller, John DEMOCRAT 28 years 2014 531 Hart, Washington, DC 20510 202-224-6472 Email WV Manchin, Joe DEMOCRAT 2 years 2018 306 Hart, Washington, DC 20510 202-224-3954 Email WY Enzi, Michael REPUBLICAN 16 years 2014 379A Russell, Washington, DC 20510 202-224-3424 Email WY Barrasso, John REPUBLICAN 6 years 2018 307 Dirksen, Washington, DC 20510 202-224-6441 Email