Date State Dem Del. GOP Del. Type
February 2020
Mon, Feb 3 Iowa caucuses 41 40 Closed
Tue, Feb 11 New Hampshire primary 24 22 Mixed
Sat, Feb 22 Nevada Democratic caucuses 36 Closed
Sat, Feb 29 South Carolina Democratic primary 54 Open
March 2020
Tue, Mar 3 Alabama primary 52 50 Open
Tue, Mar 3 Alaska Republican convention 28 Closed
Tue, Mar 3 American Samoa Democratic caucus 6 Closed
Tue, Mar 3 Arkansas primary 31 40 Open
Tue, Mar 3 California primary 416 172 Mixed
Tue, Mar 3 Colorado primary 67 37 Open
Tue, Mar 3 Maine primary 24 22 Closed
Tue, Mar 3 Massachusetts primary 91 41 Mixed
Tue, Mar 3 Minnesota primary 75 39 Open
Tue, Mar 3 North Carolina primary 110 71 Mixed
Tue, Mar 3 Oklahoma primary 37 43 Closed
Tue, Mar 3 Tennessee primary 64 58 Open
Tue, Mar 3 Texas primary 228 155 Open
Tue, Mar 3 Utah primary 29 40 Closed
Tue, Mar 3 Vermont primary 16 17 Open
Tue, Mar 3 Virginia primary 99 49 Open
Tue, Mar 3 Democrats Abroad (to 3/10) 13 Closed
Sat, Mar 7 Kentucky Republican caucuses 46 Closed
Sun, Mar 8 Puerto Rico Republican primary 23 Closed
Tue, Mar 10 Hawaii Republican caucuses 19 Closed
Tue, Mar 10 Idaho primary 20 32 Open
Tue, Mar 10 Michigan primary 125 73 Open
Tue, Mar 10 Mississippi primary 36 39 Open
Tue, Mar 10 Missouri primary 68 54 Open
Tue, Mar 10 North Dakota Democratic caucuses 14 Open
Tue, Mar 10 Washington primary 89 44 Mixed
Thu, Mar 12 Virgin Islands Republican caucuses 9 Closed
Sat, Mar 14 Guam Republican caucus 6 Closed
Sat, Mar 14 Northern Marianas Democratic convention 6 Closed
Sat, Mar 14 Wyoming Republican convention 12 Closed
Tue, Mar 17 Arizona Democratic primary 67 Closed
Tue, Mar 17 Florida primary 219 122 Closed
Tue, Mar 17 Illinois primary 155 67 Open
Tue, Mar 17 Northern Marianas Republican convention 9 Closed
Tue, Mar 17 Ohio primary 136 82 Mixed
Tue, Mar 24 American Samoa Republican caucuses 6 Closed
Tue, Mar 24 Georgia primary 105 76 Open
Fri, Mar 27 North Dakota Republican convention 29 Closed
Sun, Mar 29 Puerto Rico Democratic primary 51 Open
April 2020
Sat, Apr 4 Alaska Democratic primary 14 Closed
Sat, Apr 4 Hawaii Democratic primary 22 Closed
Sat, Apr 4 Louisiana primary 50 46 Closed
Sat, Apr 4 Wyoming Democratic caucus 14 Closed
Tue, Apr 7 Wisconsin primary 77 52 Open
Tue, Apr 28 Connecticut primary 49 28 Closed
Tue, Apr 28 Delaware primary 17 16 Closed
Tue, Apr 28 Maryland primary 79 38 Closed
Tue, Apr 28 New York primary 224 95 Closed
Tue, Apr 28 Pennsylvania primary 153 88 Closed
Tue, Apr 28 Rhode Island primary 21 19 Mixed
May 2020
Sat, May 2 Guam Democratic caucuses 6 Closed
Sat, May 2 Kansas Democratic primary 33 Open
Tue, May 5 Indiana primary 70 58 Open
Tue, May 12 Nebraska primary 25 36 Open
Tue, May 12 West Virginia primary 24 34 Mixed
Tue, May 19 Kentucky Democratic primary 46 Closed
Tue, May 19 Oregon primary 52 28 Closed
June 2020
Tue, Jun 2 District of Columbia primary 20 19 Open
Tue, Jun 2 Montana primary 16 27 Open
Tue, Jun 2 New Jersey primary 107 49 Mixed
Tue, Jun 2 New Mexico primary 29 22 Closed
Tue, Jun 2 South Dakota primary 14 29 Closed
Sat, Jun 6 Virgin Islands Democratic caucuses 6 Closed