2020 Presidential Primaries,
Caucuses, and Conventions
Major Events

These pages contain a combination of official, unofficial, and estimated data. The information posted here is subject to change.

The delegate selection processes herein, along with any and all dates associated therewith, are unofficial and based on either (1) information obtained from either Major Party, (2) Presidential Primary dates established by currently-effective State statute, or- where the foregoing information could not be obtained- (3) the state's 2016 delegate selection process and associated dates adjusted to the corresponding dates in 2020.


  • Democratic pledged delegate counts are determined by the jurisdiction's Presidential vote in 2008, 2012, and 2016; along with the jurisdiction's electoral vote allocation based on 2010 census for the number of electors in 2020.
  • Democratic unpledged delegate counts are determined by the number of DNC Members, Democratic Governors, Democratic U.S. House members, and Democratic U.S. Senators serving at the time of the convention. The count for DNC Members, Distinguished Party Leaders is from the 2016 Convention. The tallies of Governors, Democratic U.S. House members, and Democratic U.S. Senators are the current officeholders.
  • Democratic Bonus Delegates and penalties are not included in these delegate tallies.


  • Republican delegate counts are based on the number of Republicans elected to the State Legislatures, Governors chairs, U.S. House seats, and U.S. Senators seats through 31 December 2019. Republican unpledged delegate counts are determined by state (or equivalent) party rules. We have assumed that the policies of 2016 will apply in 2020.
  • The Republican district delegate count is based on the number of U.S. House members each state will elect in 2020.
  • Republican penalties for violating the timing window are not included in these delegate tallies.

Donkey and Elephant Democratic

*Monday 27 July - Thursday 30 July 2020 (presumably): 48th Democratic National Convention

*Monday 20 July - Thursday 23 July 2020 (presumably): 42nd Republican National Convention
Monday 3 February 2020*Iowa Precinct Caucuses (presumably)1*Iowa Precinct Caucuses (presumably)
Tuesday 11 February 2020*New Hampshire Primary (presumably)1*New Hampshire Primary (presumably)
Saturday 15 February 2020*Nevada Precinct Viability Caucuses (presumably)1*South Carolina Primary (presumably)
Tuesday 25 February 2020 *Nevada Precinct Caucuses (presumably)
Saturday 29 February 2020*South Carolina Primary (presumably)1 
Sunday 1 March 2020 *Alabama Primary (presumably)
Tuesday 3 March - Tuesday 10 March 2020*Democrats Abroad Global Party Run Primary (presumably)1 
Tuesday 3 March 2020*Alabama Primary (presumably)1
*American Samoa Territorial Caucus (presumably)1
*California Primary (presumably)1
*Colorado Precinct Caucus (presumably)1
*Georgia Primary (presumably)1
*Massachusetts Primary (presumably)1
*Minnesota Precinct Caucuses (presumably)1
*Oklahoma Primary (presumably)1
*Tennessee Primary (presumably)1
*Texas Primary (presumably)1
*Virginia Primary (presumably)1
*Vermont Primary (presumably)1
*Alaska District Conventions (presumably)
*California Primary (presumably)
*Georgia Primary (presumably)
*Massachusetts Primary (presumably)
*Minnesota Precinct Caucuses (presumably)
*Oklahoma Primary (presumably)
*Tennessee Primary (presumably)
*Texas Primary (presumably)
*Virginia Primary (presumably)
*Vermont Primary (presumably)
Saturday 7 March 2020*Kansas Local Unit Conventions (presumably)1
*Louisiana Primary (presumably)1
*Nebraska Precinct Caucuses (presumably)1
*Kansas Caucuses (presumably)
*Kentucky Presidential Caucuses (presumably)
*Louisiana Primary (presumably)
*Maine Municipal Caucuses (presumably)
Sunday 8 March 2020*Maine Municipal Caucuses (presumably)1*Puerto Rico Primary (presumably)
Tuesday 10 March 2020*Michigan Primary (presumably)1
*Missouri Primary (presumably)1
*Mississippi Primary (presumably)1
*Ohio Primary (presumably)1
*Hawaii Precinct Caucuses (presumably)
*Idaho Primary (presumably)
*Michigan Primary (presumably)
*Missouri Primary (presumably)
*Mississippi Primary (presumably)
*Ohio Primary (presumably)
Thursday 12 March 2020 *Virgin Islands Territorial Caucus (presumably)
Saturday 14 March 2020*Northern Marianas Convention (presumably)1*District of Columbia Convention (presumably)
*Guam Territorial Caucus (presumably)
*Wyoming County Conventions (presumably)
Tuesday 17 March 2020*Florida Primary (presumably)1
*Illinois Primary (presumably)1
*Florida Primary (presumably)
*Illinois Primary (presumably)
*Northern Marianas Commonwealth Convention (presumably)
Tuesday 24 March 2020*Arizona Primary (presumably)1
*Idaho County Caucus (presumably)1
*Utah Neighborhood Caucuses (presumably)1
*American Samoa Territorial Caucus (presumably)
*Arizona Primary (presumably)
*Utah Precinct Caucuses (presumably)
Thursday 26 March 2020*Washington Precinct Caucuses (presumably)1 
Saturday 28 March 2020*Alaska Precinct / House District Caucuses (presumably)1
*Hawaii Precinct Caucus (presumably)1
Friday 3 April - Sunday 5 April 2020 *North Dakota State Convention (presumably)
Friday 3 April - Friday 17 April 2020*Colorado District Assemblies/Conventions (presumably) 
Saturday 4 April 2020 *Colorado District Conventions: CDs 1,6 (presumably)
Tuesday 7 April 2020*Wisconsin Primary (presumably)1*Wisconsin Primary (presumably)
Saturday 11 April 2020*Wyoming County Caucuses (presumably)1*Colorado State Convention (presumably)
Thursday 16 April - Saturday 18 April 2020 *Wyoming State Convention (presumably)
Saturday 18 April 2020*Colorado State Assembly/Convention (presumably) 
Tuesday 21 April 2020*New York Primary (presumably)1*New York Primary (presumably)
Saturday 25 April 2020*Iowa District Conventions (presumably) 
Tuesday 28 April 2020*Connecticut Primary (presumably)1
*Delaware Primary (presumably)1
*Maryland Primary (presumably)1
*Pennsylvania Primary (presumably)1
*Rhode Island Primary (presumably)1
*Connecticut Primary (presumably)
*Delaware Primary (presumably)
*Maryland Primary (presumably)
*Pennsylvania Primary (presumably)
*Rhode Island Primary (presumably)
Friday 1 May - Saturday 2 May 2020*Maine State Convention. (presumably) 
Saturday 2 May 2020*Guam Caucus (presumably)1 
Tuesday 5 May 2020*Indiana Primary (presumably)1
*North Carolina Primary (presumably)1
*Indiana Primary (presumably)
*North Carolina Primary (presumably)
Saturday 9 May - Sunday 10 May 2020*Alaska State Party Convention (presumably)
*Nevada State Convention (presumably)
Tuesday 12 May 2020*West Virginia Primary (presumably)1*Nebraska Presidential Primary (presumably)
*West Virginia Primary (presumably)
Friday 15 May - Sunday 17 May 2020 *Illinois Convention (presumably)
Saturday 16 May 2020*Washington Congressional District Caucuses (presumably)*Pennsylvania Summer Meeting (presumably)
Tuesday 19 May 2020*Arkansas Primary (presumably)1
*Kentucky Primary (presumably)1
*Oregon Primary (presumably)1
*Arkansas Primary (presumably)
*Oregon Primary (presumably)
Tuesday 26 May 2020 *Washington Primary (presumably)
Tuesday 2 June 2020*Montana Primary (presumably)1
*North Dakota Legislative District Caucuses (presumably)1
*New Jersey Primary (presumably)1
*New Mexico Primary (presumably)1
*South Dakota Primary (presumably)1
*Montana Primary (presumably)
*New Jersey Primary (presumably)
*New Mexico Primary (presumably)
*South Dakota Primary (presumably)
Saturday 6 June 2020*Virgin Islands District Caucuses (presumably)1 
Sunday 7 June 2020*Puerto Rico Primary (presumably)1 
Tuesday 9 June 2020*District of Columbia Primary (presumably)1 
Thursday 18 June - Saturday 20 June 2020*Texas State Convention (presumably) 
Saturday 20 June 2020*Iowa State Convention (presumably) 

* Major event or National Convention delegates allocated.
1 Democratic Party's "First Determining Step" of the delegate selection process.

Notes: Tuesday 1 March 2016: Democratic unpledged delegates are automatically selected.


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  Poll Closing Times Chronologically   --   Poll Closing Times Alphabetically  
  Democratic "First Determining Step" Chronologically  
  Chronological Cumulative Allocation of Delegates  
  Weekly Delegate Distribution and Availability  
Delegate Allocation
  Democratic Quick Reference   --   Republican Quick Reference  
  The Math Behind the Democratic Delegate Allocation   --   The Math Behind the Republican Delegate Allocation  
  Democratic Delegate Pledging and Voter Eligibility   --   Republican Delegate Binding and Voter Eligibility  
  Primaries at a Glance  
  Results Status and Date Retreived  
  Historical Analysis of the Presidential Nominating Process  
  Historical Analysis of the apportionment of delegate votes at the National Conventions of the two major parties  
  Primary/Caucus/Convention Glossary  
  Statutory Election Information of the Several states / Presidential Primary  
  Dates of PRESIDENTIAL PRIMARIES re: selection and/or allocation/distribution of Delegates to Major Party National Conventions  
  Straw Polls