Potential Candidate Summary - 2018

2018 Summary of Candidates


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 11 1 12
Challengers 4 14 18
Running for Open Seat 4 3 7
Challenging within Party* 12 - 12
Total 31 18 49
Incumbents Not Running - - -
       
    U.S. House**
  D R Total
Incumbents 56 16 72
Challengers 184 13 197
Running for Open Seat 55 35 90
Challenging within Party* 19 12 31
Total 314 76 390
Incumbents Not Running 6 6 12

Diane Black (R-TN); Michelle Lujan Grisham (D-NM); 
Marsha Blackburn (R-TN); Colleen Hanabusa (D-HI); 
Lynn Jenkins (R-KS); Martha McSally (R-AZ); 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 13 3 16
Running for Open Seat 29 22 51
Challenging within Party* 4 4 8
Total 48 31 79
Incumbents Term Limited - 2 2
Mary Fallin (R-OK); Susana Martinez (R-NM)
  Lieutenant Governors
  D R Total
Incumbents 2 3 5
Challengers 3 2 5
Running for Open Seat 4 5 9
Challenging within Party* 4 - 4
Total 13 10 23
       
- - - - - -
Other Statewide Offices
  D R Total
Incumbents 12 17 29
Challengers 5 4 9
Running for Open Seat 9 13 22
Challenging within Party* 1 - 1
Total 27 34 61

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