If you’re registered as unaffiliated in Maryland, you generally cannot vote in the Democratic or Republican primary. Maryland runs a closed primary system, so independents in Maryland primaries are limited to contests that aren’t tied to a party unless they change their registration first.1Maryland State Board of Elections. Primary Elections2Maryland General Assembly. Maryland Code Election Law § 3-202
State law does let a political party open its primary to non-affiliated voters, but only if the party notifies the State Board at least six months before the election. Absent that step by a party, the closed rule applies.2Maryland General Assembly. Maryland Code Election Law § 3-2023Maryland General Assembly. Maryland Code Election Law § 8-202
What Unaffiliated Voters Can Still Vote In
Being unaffiliated doesn’t shut you out of every primary ballot. You can vote in nonpartisan primaries, such as those held to select Board of Education nominees, unless local law requires a partisan election for that specific board.4Maryland General Assembly. Maryland Code Election Law § 8-802 And every registered voter, regardless of party affiliation, can vote in the general election.5Maryland State Board of Elections. Voting in Maryland
How to Change Your Party Affiliation to Vote in a Major Party Primary
If you want to vote in the Democratic or Republican primary, you’ll need to change your registration to that party first. Maryland offers several ways to make the change:6Maryland General Assembly. Maryland Code Election Law § 3-303
- The state’s online voter registration system
- A signed written request or new registration application mailed or delivered to your local board of elections
- An in-person update at your local board of elections office
- A change submitted through the Motor Vehicle Administration
You’ll need to provide your full legal name, date of birth, current residence address, citizenship status, and signature. If you have a Maryland driver’s license or MVA ID, that number is required; if you don’t, the last four digits of your Social Security number will do.7COMAR. COMAR 33.05.04.04
The Deadline to Switch Before a Primary
Registration changes generally close 21 days before an election. Paper applications must be in by 5:00 p.m. that day, and online submissions by 11:59 p.m.8Justia. Maryland Code Election Law § 3-302 For the 2026 Primary Election, that means changes must be submitted by June 2, 2026, at 5:00 p.m.9Montgomery County, Maryland. Voter Registration FAQs
One catch: you can’t change your party affiliation at an early voting center. That specific change has to wait until after the current election.10Maryland State Board of Elections. Early Voting
How to Check Your Current Registration
The Maryland State Board of Elections runs an online Voter Lookup tool. You’ll typically need your first name, last name, date of birth, and zip code to use it. If you’d rather not use the online system, or run into a problem, your local Board of Elections can confirm your status directly.