October 2023
January 2024
Jan. 23
vote
New Hampshire primary
February
Feb. 8
vote
Nevada, U.S. Virgin Islands caucuses
Feb. 24
vote
South Carolina primary
Feb. 27
vote
Michigan primary
March
March 2
vote
Idaho, Missouri caucuses
March 3
vote
Washington, D.C., primary
March 4
vote
North Dakota caucus
March 5
vote
Super Tuesday (more than a dozen states vote, including California, North Carolina, Texas and Virginia)
March 8
vote
American Samoa caucus
March 12
vote
Georgia, Mississippi, Washington primaries, and the Hawaii caucus
March 15
vote
Northern Mariana Islands caucus
March 16
vote
Guam caucus
March 19
vote
Arizona, Florida, Illinois, Kansas, Ohio primaries
March 23
vote
Louisiana primary
April
April 2
vote
Connecticut, New York, Rhode Island, Wisconsin primaries
April 18
vote
Wyoming convention
April 21
vote
Puerto Rico primary
April 23
vote
Pennsylvania primary
May
May 7
vote
Indiana primary
May 14
vote
Maryland, Nebraska, West Virginia primaries
May 21
vote
Kentucky, Oregon primaries
June
June 4
vote
Montana, New Jersey, New Mexico, South Dakota primaries
July