If you are 18 years old, a US Citizen, legal resident of Union County, with no felony convictions for which you are currently serving a sentence, and you are not declared mentally incompetent by a court of law, then you can register to vote by presenting proper identification (driver's license reflecting a local residence address is acceptable) to the Voter Registration Office in the Union County Courthouse, 200 West Main Street, Union, S.C.. It is also possible to register by mail on a form available throughout the County from various civic organizations, political party officials, branch library location, or mailed by Voter Registration. Registration by Mail Forms must be postmarked no later than 30 days prior to the election. A citizen may come into the office up to 30 days before the election in order to vote in that election.
Voter Registration Frequently asked questions
Voters Registration Application
Complete and return in person or mail to the Voters Registration Office
How to Vote Brochure
Union County Precincts - Where to Vote