- be a United States citizen
- be at least eighteen years old on or before the next election
- be a resident of South Carolina, this county and precinct
- You must be registered at least 30 days prior to any election in order to vote in that election. Registration by mail applications must be postmarked at least 30 days prior to that particular election to be eligible.
You do not have to register with the Democratic Party in order to vote in the Democratic Primary, as South Carolina has an open primary system. However, voters must take an oath affirming that they have not voted in another party's primary.