State primary dates for 2026 are listed below. Political parties use primaries to determine which candidates will run for their state’s partisan offices in the Nov. 3, 2026, general election. Legislative, congressional, gubernatorial and statewide offices 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 2026 are held March 3, with the latest in mid-September. With 16 primaries, June is the busiest month for state primaries. Louisiana technically does not have a primary and instead holds a general election with a runoff.
Please visit NCSL’s State Primary Election Types 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 statutory requirements as of April 28, 2025.