Registered Voters as of 10/25/2018 | Republican: 56,743 | Democrat: 28,848 | Other: 28,503 | Total: 114,094
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Update Your Registration

After you are registered to vote in Florida, it is important to keep your voter registration record up to date with your current address, name, and desired party affiliation.

Address Change


If you moved within Martin County, you may change your address by phone, by sending a signed letter or online at . 

If you moved from another Florida county to Martin County, you may change your address by phone, by e-mail (and you must include your birthday) or online at

Party Affiliation and Party Changes

Florida is a closed primary state. In a primary election, voters may only vote for the candidates of the party they selected when registering to vote. By not selecting a party, you limit your vote in the primaries to judges and issues. The only exception is a Universal Primary Contest or "UPC". A UPC is a contest in a primary election in which all candidates have the same party affiliation and the winner will have no opposition in the general election. All qualified electors may vote in a UPC regardless of party affiliation.

Voters may change their party by written notice that contains the voter’s date of birth or voter registration number or online at



Name Change/Signature Update

Voters may change their name by written notice that contains the voter’s date of birth or voter registration number or online at


Has your signature changed? When you return a Vote by Mail ballot or sign a petition, your signature is verified against the signature we have on file. If the signatures do not match, your ballot may not be counted or your petition may not be accepted.

Power of attorney does not apply to voter registration. If for medical or other reasons you are unable to sign your complete name, please submit any mark you are capable of making. For voter registration purposes this mark will be deemed your signature. Voters may update their signature online at

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