Maine Voter Registration Application Card Registering to Vote You must be 18 years of age on or before election day to be eligible to vote. In order to register: You must be a Madison resident, You need to show proof of identity (a copy of your Drivers License, State ID, or Social Security Card, and Show proof of residency. (Proof can be, but is not limited to, a copy of your Maine Driver's License showing your current residence, a lease agreement, utility bill or a piece of mail addressed to you at your physical address.) Bring proof of residency and identity to the Madison Town Office at 26 Weston Ave to complete the registration process.