| 33 Senators up for reelection in 2018 | ||||
| Party | State | Incumbent | Intent | 2016 Presidential |
| Democratic | California | Dianne Feinstein | Unknown | CLINTON |
| Democratic | Connecticut | Chris Murphy | Running | CLINTON |
| Democratic | Delaware | Tom Carper | Unknown | CLINTON |
| Democratic | Florida | Bill Nelson | Running | TRUMP |
| Democratic | Hawaii | Mazie Hirono | Running | CLINTON |
| Democratic | Indiana | Joe Donnelly | Running | TRUMP |
| Democratic | Maryland | Ben Cardin | Unknown | CLINTON |
| Democratic | Massachusetts | Elizabeth Warren | Running | CLINTON |
| Democratic | Michigan | Debbie Stabenow | Unknown | TRUMP |
| Democratic | Minnesota | Amy Klobuchar | Running | CLINTON |
| Democratic | Missouri | Claire McCaskill | Running | TRUMP |
| Democratic | Montana | Jon Tester | Running | TRUMP |
| Democratic | New Jersey | Bob Menendez | Unknown | CLINTON |
| Democratic | New Mexico | Martin Heinrich | Running | CLINTON |
| Democratic | New York | Kirsten Gillibrand | Running | CLINTON |
| Democratic | North Dakota | Heidi Heitkamp | Unknown | TRUMP |
| Democratic | Ohio | Sherrod Brown | Running | TRUMP |
| Democratic | Pennsylvania | Bob Casey, Jr. | Running | TRUMP |
| Democratic | Rhode Island | Sheldon Whitehouse | Running | CLINTON |
| Democratic | Virginia | Tim Kaine | Running | CLINTON |
| Democratic | Washington | Maria Cantwell | Unknown | CLINTON |
| Democratic | West Virginia | Joe Manchin | Running | TRUMP |
| Democratic | Wisconsin | Tammy Baldwin | Running | TRUMP |
| Independent | Maine | Angus King | Running | split |
| Independent | Vermont | Bernie Sanders | Running | CLINTON |
| Republican | Arizona | Jeff Flake | Unknown | TRUMP |
| Republican | Mississippi | Roger Wicker | Unknown | TRUMP |
| Republican | Nebraska | Deb Fischer | Unknown | TRUMP |
| Republican | Nevada | Dean Heller | Running | CLINTON |
| Republican | Tennessee | Bob Corker | Unknown | TRUMP |
| Republican | Texas | Ted Cruz | Running | TRUMP |
| Republican | Utah | Orrin Hatch | Unknown | TRUMP |
| Republican | Wyoming | John Barrasso | Unknown | TRUMP |
Corker , Hatch, Heller and Flake all voted for the Gang of Amnesty, they need to be primaried.
We have to to get Flake and Corker out at a bare minimum.