Primary Election Day 2025 Indiana. You are at least 18 years old on or before election day; Here you can find out when indiana elections will be held at the local, state and federal election level.

Indiana state law stipulates that, in order to participate in a party’s primary, a voter must have either voted for a majority of that party’s nominees in the last general election or must intend to. If there are multiple election dates, tap the date that you would like more information about.