United States Senate elections, 2018 Final pre-election predictions Final pre-election predictions

| State_linked_to_summaries_below | Incumbent_Senator | Incumbent_Party | Incumbent_Electoral_history | Most_recent_election_results | _2018_intent | Candidates_ |
|---|---|---|---|---|---|---|
| New Mexico | Martin Heinrich | Democratic | Martin Heinrich (D) 51.0% , Heather Wilson (R) 45.3% , Jon Barrie (IAP) 3.6% | 2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| New York | Kirsten Gillibrand | Democratic | Kirsten Gillibrand (D) 71.6% , Wendy E. Long (R) 26.0% | 2010 (special) , 2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| North Dakota | Heidi Heitkamp | Democratic | Heidi Heitkamp (D) 50.2% , Rick Berg (R) 49.3% | 2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Ohio | Sherrod Brown | Democratic | Sherrod Brown (D) 50.7% , Josh Mandel (R) 44.7% , Scott A. Rupert (I) 4.6% | 2006 , 2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |