Mississippi
Requirements
A resident of Mississippi and the county, city, or town for 30 days prior to the election;
At least 18 years old (or will be 18 by the date of the next General Election);
Not declared mentally incompetent by a court; and• Not convicted of a disenfranchising crime as defined by Section 241 of the Mississippi Constitution or by Attorney General Opinion, unless pardoned, rights of citizenship restored by the Governor or suffrage rights restored by the Legislature
https://www.sos.ms.gov/Content/documents/Elections/VoterInformationGuide.pdf
Voter Registration Forms
Online: N/A
Election Info
ID Required: Yes
Same-Day Registration: No
Deadlines
New Voter Registration: Postmarked by October 5
Absentee Ballot Request: November 2