State primary and presidential election dates for 2024 are listed below. Political parties use primaries and caucuses to determine which candidates will run for their state’s partisan offices in the Nov. 5, 2024, general election.
Some states hold their state and presidential primaries on different dates as indicated in the tables. Legislative, congressional, gubernatorial, statewide office and presidential primary contests are on the ballots in 46 states.
Louisiana, Mississippi, New Jersey and Virginia hold their legislative elections in odd-numbered years. The dates listed for those states apply to congressional and other races.
The earliest state primaries for 2024 are held March 5, with the latest in mid-September. With 13 primaries each, June and August are the busiest months for state primaries.
Please visit NCSL’s State Primary Election Types webpage for information on closed, open, top two and other primary election types.
Primary dates are subject to change by legislative action. The dates listed here are based on state election resources or statutory requirements as of Oct. 13, 2023.