Potential Candidate Summary - 2018

Summary of Potential Candidates - 2018


Potential candidate status is based on information from at least two of the following sources: KnowWho Data Services; Campaigns and Elections; House Race Hotline; CQ Politics Daily; Politics1.com; The Hill; Roll Call; Politico; Real Clear Politics; and local newspapers in many states.
State by state listing of potential candidates here.

    U.S. Senate
  D R Total
Incumbents 10 1 11
Challengers 5 10 15
Running for Open Seat 1 1 2
Challenging within Party* 8 1 9
Total 24 13 37
Incumbents Not Running - - -
       
    U.S. House**
  D R Total
Incumbents 56 17 73
Challengers 179 14 193
Running for Open Seat 30 22 52
Challenging within Party* 17 9 26
Total 282 62 344
Incumbents Not Running 6 5 11
Diane Black (R-TN); Michelle Lujan Grisham (D-NM); 
Marsha Blackburn (R-TN); Colleen Hanabusa (D-HI); 
Lynn Jenkins (R-KS); Kristi Noem (R-SD); 
Jacky Rosen (D-NV); Ileana Ros-Lehtinen (R-FL); 
Carol Shea-Porter (D-NH); Kyrsten Sinema (D-AZ);
Niki Tsongas (D-MA)
    Governors
  D R Total
Incumbents 2 2 4
Challengers 11 2 13
Running for Open Seat 26 19 45
Challenging within Party* 4 - 4
Total 43 23 66
Incumbents Term Limited - 2 2
Mary Fallin (R-OK); Susana Martinez (R-NM)
  Lieutenant Governors
  D R Total
Incumbents 2 3 5
Challengers - 2 2
Running for Open Seat 3 5 8
Challenging within Party* 1 - 1
Total 6 10 16
       
- - - - - -
Other Statewide Offices
  D R Total
Incumbents 13 16 29
Challengers 2 2 4
Running for Open Seat 5 9 14
Challenging within Party* 1 - 1
Total 21 27 48

*If candidate wins primary, general election seat status will be "open."
**Does not include 4 incumbent women considered candidates for delegate (Aumua Amata Coleman Radewagen, American Samoa; Eleanor Holmes Norton, District of Columbia; Madeleine Z. Bordallo, Guam; Stacey E. Plaskett, Virgin Islands).