The Green Papers
The Green Papers
2026 Senatorial Primaries at a Glance


This "at a glance" look at the primary in each State simply lists the winner (and, in many cases, the candidate who came in second) in each Primary in chronological order.

boldface followed by (inc) indicates the incumbent


 
Date State Democrat
Democrat
Republican
Republican
R Winner % Second % R Winner % Second %
Tuesday 3 March 2026 (presumably) Texas                  
Tuesday 3 March 2026 North Carolina                  
Tuesday 17 March 2026 (presumably) Illinois                  
Tuesday 5 May 2026 Ohio Special                  
Tuesday 12 May 2026 (presumably) Nebraska                  
West Virginia                  
Tuesday 12 May 2026 North CarolinaR        R        
Tuesday 19 May 2026 (presumably) Arkansas                  
Georgia                  
Idaho                  
Kentucky                  
Tuesday 19 May 2026 Oregon                  
Tuesday 26 May 2026 (presumably) TexasR        R        
Tuesday 26 May 2026 Alabama                  
Tuesday 2 June 2026 (presumably) Mississippi                  
Montana                  
New Jersey                  
New Mexico                  
Tuesday 2 June 2026 Iowa                  
South Dakota                  
Tuesday 9 June 2026 (presumably) Maine                  
South Carolina                  
Tuesday 16 June 2026 (presumably) ArkansasR        R        
GeorgiaR        R        
Oklahoma                  
Tuesday 16 June 2026 Virginia                  
Tuesday 23 June 2026 (presumably) MississippiR        R        
South CarolinaR        R        
Tuesday 23 June 2026 AlabamaR        R        
Tuesday 30 June 2026 (presumably) Colorado                  
Tuesday 4 August 2026 (presumably) Kansas                  
Tuesday 4 August 2026 Michigan                  
Thursday 6 August 2026 (presumably) Tennessee                  
Tuesday 11 August 2026 (presumably) South DakotaR        R        
Tuesday 11 August 2026 Minnesota                  
Tuesday 18 August 2026 (presumably) Wyoming                  
Tuesday 18 August 2026 Alaska                  
Florida Special                  
Tuesday 25 August 2026 (presumably) OklahomaR        R        
September 2026 (presumably) Massachusetts                  
Tuesday 8 September 2026 (presumably) New Hampshire                  
Rhode Island                  
Tuesday 15 September 2026 (presumably) Delaware                  
 

Key


2026 General Election Outline


Modified .